lovingscience/chembl-v37-raw-activities huggingface dataset:
Compound (SMILES): Cn1cc(-c2cc(CN3CCOCC3)ccc2OCC2CC2)c2cc[nH]c2c1=O
InChIKey: QCEMSNZPFIXMQL-UHFFFAOYSA-N
Target: Bromodomain-containing protein 4 (SINGLE PROTEIN), Homo sapiens
UniProt: O60885
Assay: Bromodomain Domain Binding Assay: A time-resolved fluorescence resonance energy transfer (TR-FRET) assay was used to determine the affinities of compounds of the Examples listed in Table 1 for each bromodomain of human BRD4. His-tagged first (BD1: amino acids K57-E168) and second (BD2: amino acids E352-E168) bromodomains of human BRD4 were expressed and purified. An Alexa647-labeled BET-inhibitor was used as the fluorescent probe in the assay. Compound dilution series were prepared in DMSO via a 3-fold serial dilution from 2.5 mM to 42 nM. Compounds were then diluted 6:100 in assay buffer (20 mM Sodium Phosphate, pH 6.0, 50 mM NaCl, 1 mM Ethylenediaminetetraacetic acid disodium salt dihydrate, 0.01% Triton X-100, 1 mM DL-Dithiothreitol) to yield 3× working solutions. Six microliters (L) of the working solution was then transferred to white, low-volume assay plates (Costar #3673). A 1.5× assay mixture containing His-tagged bromodomain, Europium-conjugated anti-His antibody (Invitrogen PV5596) and the Alexa-647-conjugated probe molecule was also prepared. Twelve L of this solution were added to the assay plate to reach a final volume of 18 L. The final concentration of 1× assay buffer contains 2% DMSO, 50 M-0.85 nM compound, 8 nM His-tagged bromodomain, 1 nM Europium-conjugated anti-His-tag antibody and 100 nM or 30 nM probe (for BDI or BDII, respectively). After a one-hour incubation at room temperature, TR-FRET ratios were determined using an Envision multilabel plate reader (Ex 340, Em 495/520).
Measurement: Ki = 3070 nM (pChEMBL 5.510000228881836)
Descriptors: MW 393.49, ALogP 3.15, HBA 5, HBD 1, PSA 59.49, QED 0.7
Compound (SMILES): CN1C(=N)N[C@](C)(c2sc3c(-c4ccc(N5CCOCC5)nc4)cccc3c2F)CS1(=O)=O
InChIKey: NEBIRQVWSPJXKC-QFIPXVFZSA-N
Target: Beta-secretase 2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9Y5Z0
Assay: HTRF FRET Assay: Inhibitor compounds, prepared at 3× the desired final concentration in 1×BACE assay buffer (20 mM sodium acetate pH 5.0, 10% glycerol, 0.1% Brij-35) supplemented with 7.5% DMSO are pre-incubated with an equal volume of autoBACE-2 enzyme diluted in 1×BACE assay buffer (final enzyme concentration 1 nM) in black 384-well NUNC plates for 30 minutes at 30° C. The assay is initiated by addition of an equal volume of the QSY7-EISEVNLDAEFC-Eu-amide substrate (200 nM final concentration, Km=8 μM for 4 μM for autoBACE-2) prepared in 1×BACE assay buffer supplemented with 7.5% DMSO and incubated for 90 minutes at 30° C. DMSO is present at 5% final concentration in the assay. Following laser excitation of sample wells at 320 nm, the fluorescence signal at 620 nm is collected for 400 ms following a 50 μs delay on a RUBYstar HTRF plate reader (BMG Labtechnologies).
Measurement: Ki = 9524 nM (pChEMBL 5.019999980926514)
Descriptors: MW 489.6, ALogP 2.95, HBA 7, HBD 2, PSA 98.62, QED 0.59
Compound (SMILES): CC1CN(c2nc3c(c(Nc4ccc(C(F)(F)F)cc4)n2)CCN(c2ncccc2C(F)(F)F)CC3)CC(C)O1
InChIKey: HDMDIPHFKCYJDN-UHFFFAOYSA-N
Target: Transient receptor potential cation channel subfamily V member 1 (SINGLE PROTEIN), Rattus norvegicus
UniProt: O35433
Assay: Functional Assay: The assay was performed as described below, using HEK293 cells transfected with rat TRPV1 (rTRPV1/HEK293). These cells had a geneticin selection marker and were grown in Dulbecco's Modified Eagle Medium (DMEM, Gibco BRL) supplemented with 10% fetal bovine serum, penicillin/streptomycin (50 units/mL), and 500 μg/mL geneticin in 5% CO2 at 37° C. Cells were passaged frequently, every 3-5 days, to avoid overgrowth, depletion of essential medium components, or acidic medium exposure. Cells were passaged using a brief wash in 0.05% trypsin with 1 mM EDTA, followed by dissociation in divalent-free phosphate-buffered saline (Hyclone #SH30028.02). Dissociated cells were seeded onto poly-D-lysine coated black-walled 96-well plates (Biocoat; Becton Dickinson #354640) at about 40,000 cells per well and grown for approximately 1 day in culture medium to near confluency. The assay buffer was composed of 130 mM NaCl, 2 mM KCl, 2 mM MgCl2, 10 mM HEPES, 5 mM glucose, and either 2 mM or 20 μM CaCl2. On the day of the experiment, the culture medium was replaced with 2 mM calcium assay buffer using an automated plate washer (ELx405; Biotek, VT). The cells were incubated in 100 μL/well Fluo-3/AM (2 μM; TEFLabs #0116) with Pluronic F127 (100 μg/mL; Sigma #P2443) for 1 h at rt in the dark. After loading the cells, the dye solution was replaced with 50 μL/well of 20 μM calcium assay buffer using the ELx405 plate washer. Test compounds (50 μL/well) were added to the plate and incubated for 30 min. Intracellular Ca2+ levels were subsequently assayed using a Fluorometric Imaging Plate Reader (FLIPR™ instrument, Molecular Devices, CA) to simultaneously monitor Fluo-3 fluorescence in all wells (λexcitation=488 nm, λemission=540 nm) during challenge with agonist (capsaicin). The IC50 values were determined. Cells were challenged with 150 nM capsaicin and the fluorescence counts were captured following agonist addition at a sampling rate of 0.33 Hz. The contents of the wells were mixed 3 times (40 μL mix volume) immediately after the additions were made. Concentration dependence of block was determined by exposing each well of cells in duplicate rows of a 96 well plate to a serial dilution of test compound. The concentration series usually started at 10 Î¼M with a three-fold serial decrement in concentration. The magnitude of the capsaicin response was determined by measuring the change in fluo3 fluorescence before and 100 seconds after the addition of the agonist.
Measurement: IC50 = 10 nM (pChEMBL 8)
Descriptors: MW 566.55, ALogP 5.87, HBA 7, HBD 1, PSA 66.41, QED 0.4
Compound (SMILES): CCCCCC(=O)c1ccc(N2C(=O)CC[C@@H]2COCc2ccc(C(=O)O)s2)cc1
InChIKey: ZNJLDHVXCHVFNI-GOSISDBHSA-N
Target: Prostaglandin E2 receptor EP2 subtype (SINGLE PROTEIN), Homo sapiens
UniProt: P43116
Assay: Displacement of [3H]PGE2 from from human EP2 receptor expressed in HEK293 cells at pH 7.3 membranes incubated for 60 mins
Measurement: Ki = 163 nM (pChEMBL 6.789999961853027)
Descriptors: MW 429.54, ALogP 4.92, HBA 5, HBD 1, PSA 83.91, QED 0.4
Compound (SMILES): COc1cc(OC)cc(N(CC#Cc2ncccc2OC)c2ccc3ncc(-c4cnn(C(C)C)c4)nc3c2)c1
InChIKey: SRWBBPJNBPSOFD-UHFFFAOYSA-N
Target: Fibroblast growth factor receptor 3 (SINGLE PROTEIN), Homo sapiens
UniProt: P22607
Assay: Inhibition of FGFR3 (unknown origin) transfected in mouse BA/F3 cells assessed as decrease in cell proliferation in presence of mouse IL3 after 24 hrs by Alamar blue assay
Measurement: IC50 > 10000 nM (pChEMBL 5)
Descriptors: MW 534.62, ALogP 5.68, HBA 9, HBD 0, PSA 87.42, QED 0.23
Compound (SMILES): Cn1nc(-c2cc(NS(C)(=O)=O)ccc2Oc2ccccc2)c2cc(C(N)=O)[nH]c2c1=O
InChIKey: OQZQYJKHUSUKQI-UHFFFAOYSA-N
Target: Bromodomain-containing protein 4 (SINGLE PROTEIN), Homo sapiens
UniProt: O60885
Assay: Bromodomain Domain Binding Assay: A time-resolved fluorescence resonance energy transfer (TR-FRET) assay was used to determine the affinities of compounds of the Examples listed in Table 1 for each bromodomain of human BRD4. His-tagged first (BD1: amino acids K57-E168) and second (BD2: amino acids E352-E168) bromodomains of human BRD4 were expressed and purified. An Alexa647-labeled BET-inhibitor was used as the fluorescent probe in the assay. Compound dilution series were prepared in DMSO via a 3-fold serial dilution from 2.5 mM to 42 nM. Compounds were then diluted 6:100 in assay buffer (20 mM Sodium Phosphate, pH 6.0, 50 mM NaCl, 1 mM Ethylenediaminetetraacetic acid disodium salt dihydrate, 0.01% Triton X-100, 1 mM DL-Dithiothreitol) to yield 3× working solutions. Six microliters (L) of the working solution was then transferred to white, low-volume assay plates (Costar #3673). A 1.5× assay mixture containing His-tagged bromodomain, Europium-conjugated anti-His antibody (Invitrogen PV5596) and the Alexa-647-conjugated probe molecule was also prepared. Twelve L of this solution were added to the assay plate to reach a final volume of 18 L. The final concentration of 1× assay buffer contains 2% DMSO, 50 M-0.85 nM compound, 8 nM His-tagged bromodomain, 1 nM Europium-conjugated anti-His-tag antibody and 100 nM or 30 nM probe (for BDI or BDII, respectively). After a one-hour incubation at room temperature, TR-FRET ratios were determined using an Envision multilabel plate reader (Ex 340, Em 495/520).
Measurement: Ki = 1.8 nM (pChEMBL 8.739999771118164)
Descriptors: MW 453.48, ALogP 2.19, HBA 7, HBD 3, PSA 149.17, QED 0.41
Compound (SMILES): Cc1nc(N)nc(N)c1CN1CCN(c2cccc(-c3ccccc3)c2)CC1
InChIKey: LCALFSRZWYZVNO-UHFFFAOYSA-N
Target: Bifunctional dihydrofolate reductase-thymidylate synthase (SINGLE PROTEIN), Toxoplasma gondii
UniProt: Q07422
Assay: Inhibition of Toxoplasma gondii TS-DHFR expressed in Escherichia coli BL21 preincubated for 15 mins followed by addition of DHF as substrate and NADPH measured after 60 mins by resazurin/diaphorase coupled assay
Measurement: IC50 = 1100 nM (pChEMBL 5.960000038146973)
Descriptors: MW 374.49, ALogP 2.94, HBA 6, HBD 2, PSA 84.3, QED 0.73
Compound (SMILES): O=C(Nc1ccc(-c2c[nH]c(=O)c3ccccc23)cc1)N1CCc2ccccc21
InChIKey: FIICCIFGIGHGSR-UHFFFAOYSA-N
Target: Rho-associated protein kinase 2 (SINGLE PROTEIN), Homo sapiens
UniProt: O75116
Assay: In Vitro Assay: The effectiveness of compounds of the present invention as ROCK inhibitors can be determined in a 30 μL assay containing 20 mM HEPES, pH 7.5, 20 mM MgCl2, 0.015% Brij-35, 4 mM DTT, 5 μM ATP and 1.5 μM peptide substrate (FITC-AHA-AKRRRLSSLRA-OH). Compounds were dissolved in DMSO so that the final concentration of DMSO was <2%, and the reaction was initiated with Rho kinase variants. After incubation, the reaction was terminated by the addition of EDTA and the phosphorylated and non-phosphorylated peptides separated using a LABCHIP® 3000 Reader (Caliper Life Sciences). Controls consisted of assays that did not contain compound, and backgrounds consisted of assays that contained enzyme and substrate but had EDTA from the beginning of the reaction to inhibit kinase activity. Compounds were tested in dose-response format, and the inhibition of kinase activity was calculated at each concentration of compound. The inhibition data were fit using a curve-fitting program to determine the IC50; i.e., the concentration of compound required to inhibit 50% of kinase activity.
Measurement: IC50 < 100 nM (pChEMBL 7)
Descriptors: MW 381.44, ALogP 4.79, HBA 2, HBD 2, PSA 65.2, QED 0.52
Compound (SMILES): Cc1nn(C)cc1C(=O)N1CCC2(CC1)CC2CNC(=O)N1Cc2ccncc2C1
InChIKey: IKNTWPJYFRAVKC-UHFFFAOYSA-N
Target: Nicotinamide phosphoribosyltransferase (SINGLE PROTEIN), Homo sapiens
UniProt: P43490
Assay: Inhibition of human full length C-terminal His6-tagged NAMPT expressed in Escherichia coli Rosetta (DE3) cells using nicotinamide as substrate incubated for 15 mins prior to substrate addition measured after 30 mins in presence of PRPP
Measurement: IC50 = 41.2 nM (pChEMBL 7.380000114440918)
Descriptors: MW 408.51, ALogP 2.09, HBA 5, HBD 1, PSA 83.36, QED 0.84
Compound (SMILES): CC1(C)CCC(CN2CCN(c3ccc(C(=O)NS(=O)(=O)c4cnc(NCC5CCOCC5)c(Br)c4)c(Oc4cccc5[nH]ccc45)c3)CC2)=C(c2ccc(Cl)cc2)C1
InChIKey: HJINYZUFHNQBKW-UHFFFAOYSA-N
Target: Bcl-2-like protein 1 (SINGLE PROTEIN), Mus musculus
UniProt: Q64373
Assay: Time Resolved-Fluorescence Resonance Energy Transfer (TR-FRET) Assay: The inhibition constant (Ki) is the dissociation constant of an enzyme-inhibitor complex or a protein/small molecule complex, wherein the small molecule is inhibiting binding of one protein to another protein or peptide. Where the Ki for a compound is represented as > (greater than) a certain numerical value, it is intended to mean that the binding affinity value (e.g., for Bcl-XL) is greater than the limits of detection of the assay used. Where the binding selectivity ratio for a compound is represented as > (greater than) a certain numerical value, it is intended to mean that the selectivity of a particular compound for Bcl-2 over Bcl-XL is at least as great as the number indicated. Where the Ki for a compound is represented as < (less than) a certain numerical value, it is intended to mean that the binding affinity value (e.g., for Bcl-2) is lower than the limit of detection of the assay used. Inhibition constants were determined using Wang's equation (Wang Z-X).
Measurement: Ki > 660 nM (pChEMBL 6.179999828338623)
Descriptors: MW 902.36, ALogP 9.51, HBA 9, HBD 3, PSA 128.89, QED 0.11
Compound (SMILES): O=C(N[C@H]1CCC[C@@H]1Nc1ccc(C(F)(F)F)cn1)c1cc(Cl)ccc1-n1nccn1
InChIKey: OKKVUPBBNRBYFO-HOTGVXAUSA-N
Target: Orexin receptor type 2 (SINGLE PROTEIN), Homo sapiens
UniProt: O43614
Assay: Fluorescent Imaging Plate Reader (FLIPR) Assay: Orexin antagonist activity was determined by measuring changes in intracellular calcium levels using a Ca2+ sensitive fluorescent dye. The changes in fluorescent signal were monitored by Fluorescent Imaging Plate Reader (FLIPR®) technology available from Molecular Devices, LLC, U.S.A. Orexin mediated increases in intracellular Ca2+ concentration were readily detected upon activation with orexin-A. Twenty-four hours prior to the assay, RBL-2H3 cells stably expressing either human orexin receptor 1 or human orexin receptor 2 were seeded in cell culture medium in black, clear-bottom 384-well plates (commercially available from Corning Inc., U.S.A.) and grown overnight at 37 °C., 5% CO2. On the day of the assay, cell culture media was removed and cells were loaded with Calcium 5 Dye (commercially sold by Molecular Devices, LLC, U.S.A.) for 1 hour at 37 °C., 5% CO2.
Measurement: IC50 > 10000 nM (pChEMBL 5)
Descriptors: MW 450.85, ALogP 4.1, HBA 6, HBD 2, PSA 84.73, QED 0.61
Compound (SMILES): COc1cc(Nc2ncnc3ccc(-c4cn(CCCCCC(=O)NO)nn4)cc23)ccc1Oc1ccccc1
InChIKey: VQLJIZZYDFSRTB-UHFFFAOYSA-N
Target: Histone deacetylase 1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q13547
Assay: Inhibition of HDAC1 (unknown origin) using acetylated peptide substrate preincubated for 15 mins followed by substrate addition measured after 60 mins by fluorescence analysis
Measurement: IC50 = 26.6 nM (pChEMBL 7.579999923706055)
Descriptors: MW 539.6, ALogP 5.5, HBA 10, HBD 3, PSA 136.31, QED 0.11
Compound (SMILES): COc1cc(OC)cc(N(CCNC(C)C)c2ccc3ncc(-c4cnn(CCCN)c4)nc3c2)c1.O=C(O)C(F)(F)F
InChIKey: FTLYVYRWTXLATF-UHFFFAOYSA-N
Target: Fibroblast growth factor receptor 3 (SINGLE PROTEIN), Homo sapiens
UniProt: P22607
Assay: Inhibition of FGFR3 (unknown origin) transfected in mouse BA/F3 cells assessed as decrease in cell proliferation in presence of mouse IL3 after 24 hrs by Alamar blue assay
Measurement: IC50 > 10000 nM (pChEMBL 5)
Descriptors: MW 489.62, ALogP 4, HBA 9, HBD 2, PSA 103.35, QED 0.31
Compound (SMILES): CCCNC(=O)c1ccc(NC(=O)N2Cc3ccc(-c4cc[nH]n4)cc3C2)cc1
InChIKey: DLTMANHKWLAUNB-UHFFFAOYSA-N
Target: Nicotinamide phosphoribosyltransferase (SINGLE PROTEIN), Homo sapiens
UniProt: P43490
Assay: Time-Resolved Fluorescence Resonance Energy Transfer (TR-FRET) Binding Assay : Probe 2:The assay was carried out in 18 uL low volume plates (Owens Corning) in reaction buffer (50 mM HEPES (NaOH), pH 7.5, 100 mM NaCl, 10 mM MgCl2, 1 mM DTT, 1% Glycerol) using 6.8 nM recombinant, human, C-terminally-His tagged NAMPT, 1 nM Tb-anti-His antibody (Invitrogen, Cat #PV5895), and 200 nM probe (Oregon Green 488-conjugated APO0866; A-1287128.0. Plates were covered, and reactions were carried out for 2-3 hours. Plates were read with Envision (Laser Lantha low volume protocol) after 2 to 3 hours. Excitation was carried out at 337 nm, and the ratio of emission of Oregon Green (520 nm) to terbium (492 nm) was determined and used to calculate IC50 values of test compounds.
Measurement: IC50 = 61.2 nM (pChEMBL 7.210000038146973)
Descriptors: MW 389.46, ALogP 3.76, HBA 3, HBD 3, PSA 90.12, QED 0.62
Compound (SMILES): COc1ccc(N2CCOc3cc(S(=O)(=O)Nc4nccs4)ccc32)c(OC)c1
InChIKey: RTYLJDUZJLKAPJ-UHFFFAOYSA-N
Target: Sodium channel protein type 9 subunit alpha (SINGLE PROTEIN), Homo sapiens
UniProt: Q15858
Assay: In Vitro PX Assay: HEK 293 cells stably transfected with human Nav1.7 were recorded in whole cell voltage clamp mode with the PatchXpress automated electrophysiology system (Molecular Devices, LLC, Sunnyvale, Calif.). Compound effects were measured on a partially inactivated state of the sodium channel. Cells were clamped to a holding potential yielding 20 to 50% inactivation. To elicit sodium current, channels were activated by pulsing to −10 mV for 20 msec. This voltage protocol was repeated at a rate of 0.1 Hz throughout the experiment. A single concentration of test compound was applied to cells for a duration of 3 minutes.
Measurement: IC50 = 2240 nM (pChEMBL 5.650000095367432)
Descriptors: MW 433.51, ALogP 3.49, HBA 8, HBD 1, PSA 89.99, QED 0.64
Compound (SMILES): c1cnc2c(N3CCN(CCCc4ccc(OCCCN5CCCCCC5)cc4)CC3)cccc2c1
InChIKey: XHHDACAEDLRJOJ-UHFFFAOYSA-N
Target: Histamine H3 receptor (SINGLE PROTEIN), Homo sapiens
UniProt: Q9Y5N1
Assay: Antagonist activity at human Histamine H3 receptor expressed in CHO cell membranes assessed as inhibition of histamine-induced [35S]GTPgammaS binding after 2 to 6 hrs by scintillation proximity assay
Measurement: Ki = 0.3981 nM (pChEMBL 9.399999618530273)
Descriptors: MW 486.7, ALogP 5.63, HBA 5, HBD 0, PSA 31.84, QED 0.35
Compound (SMILES): Cc1c([C@@H]2CN3CCN(C(=O)Cc4ccc(-n5cnnn5)nc4)C[C@H]3CS2)ccc2c1COC2=O
InChIKey: RWZHZCMTEWARFB-UWJYYQICSA-N
Target: Voltage-gated inwardly rectifying potassium channel KCNH2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q12809
Assay: Displacement of 35S-MK499 from human ERG expressed in HEK293 cell membranes
Measurement: IC50 = 8900 nM (pChEMBL 5.050000190734863)
Descriptors: MW 491.58, ALogP 1.58, HBA 10, HBD 0, PSA 106.34, QED 0.5
Compound (SMILES): CC(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@H](C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@H](C(=O)N[C@@H](Cc1ccccc1)C(=O)NCC(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(N)=O)C(C)C)C(C)C
InChIKey: NIIKZRDCSBXZCI-RWDLTWSQSA-N
Target: Tissue factor pathway inhibitor (SINGLE PROTEIN), Homo sapiens
UniProt: P10646
Assay: Inhibition of C-terminus 10x-His-taged human TFPI-1 (29 to 282 residues) assessed as inhibition of factor 10a using S-2222 substrate incubated for 115 mins by micro-plate reader based assay
Measurement: EC50 = 710 nM (pChEMBL 6.150000095367432)
Descriptors: MW 2475.97
Compound (SMILES): COC(=O)Nc1nc2ccc(C3(O)c4ccccc4C(=O)N3Cc3cccc(F)c3)cc2[nH]1
InChIKey: RAIVIGVXSCZRFF-UHFFFAOYSA-N
Target: RAF proto-oncogene serine/threonine-protein kinase (SINGLE PROTEIN), Homo sapiens
UniProt: P04049
Assay: Inhibition of c-Raf1 (unknown origin) pre-incubated for 30 mins by luciferase-luciferin-coupled chemiluminescence assay
Measurement: IC50 < 100 nM (pChEMBL 7)
Descriptors: MW 446.44, ALogP 3.73, HBA 5, HBD 3, PSA 107.55, QED 0.44
Compound (SMILES): COc1ccc(C(=O)C2CCN([C@H]3CCN(Cc4nc5ccccc(=O)c5[nH]4)C3=O)CC2)cc1C
InChIKey: DUCZLEBAUSAZOC-NRFANRHFSA-N
Target: Poly [ADP-ribose] polymerase tankyrase-1 (SINGLE PROTEIN), Homo sapiens
UniProt: O95271
Assay: Biochemical Assay: The autoparsylation activity of the TNKS 1/2 or PARP1/2 enzymes was measured by the liquid chromatography-mass spectrometry (LC/MS) detection of nicotinamide as readout. Compound activity in inhibiting the TNKS and PARP autoparsylation was evaluated by IC50 measurements. In the compound screening assays, the reaction is composed of 5 uL of compound in 8-point serial dilutions with concentrations ranging from 0.0086 to 18.75 uM, 20 nM of purified enzyme, and 250 uM of p-NAD+ in the 1x Assay Buffer. After 60 min incubation at room temperature, the reactions were quenched by the addition of 10 uL of 5x quenching solution (20% formic acid and 500 nM [d]-nicotinamide in water). For the background control wells, 10 uL of the 5x quenching solution per well was added prior to the addition of p-NAD+. The % Inhibition was calculated as: (Control-Sample)/(Control-Background)*100. "Control" is the average value of 8 wells without compound; and "Background" is the average of 8 wells mixed with 5x quenching solution measured prior to initiation of the reaction.
Measurement: IC50 = 19.5 nM (pChEMBL 7.710000038146973)
Descriptors: MW 474.56, ALogP 2.94, HBA 6, HBD 1, PSA 95.6, QED 0.55
Compound (SMILES): COc1cc(F)ccc1-c1nc(Nc2cccc(CS(=N)(=O)C3CC3)c2)ncc1F
InChIKey: ARWADAMVSZOLNL-UHFFFAOYSA-N
Target: Cyclin-dependent kinase 2 (SINGLE PROTEIN), Homo sapiens
UniProt: P24941
Assay: CDK2/CycE Kinase Assay: Recombinant fusion proteins of GST and human CDK2 and of GST and human CycE, expressed in insect cells (Sf9) and purified by Glutathion-Sepharose affinity chromatography, were purchased from ProQinase GmbH (Freiburg, Germany). As substrate for the kinase reaction biotinylated peptide biotin-Ttds-YISPLKSPYKISEG (C-terminus in amid form) was used which can be purchased e.g. form the company JERINI Peptide Technologies (Berlin, Germany)For the assay 50 nl of a 100 fold concentrated solution of the test compound in DMSO was pipetted into a black low volume 384 well microtiter plate (Greiner Bio-One, Frickenhausen, Germany), 2 ul of a solution of CDK2/CycE in aqueous assay buffer [50 mM Tris/HCl pH 8.0, 10 mM MgCl2, 1.0 mM dithiothreitol, 0.1 mM sodium ortho-vanadate, 0.01% (v/v) Nonidet-P40 (Sigma)] were added and the mixture was incubated for 15 min at 22 C. to allow pre-binding of the test compounds to the enzyme before the start of the kinase reaction.
Measurement: IC50 = 410 nM (pChEMBL 6.389999866485596)
Descriptors: MW 430.48, ALogP 4.88, HBA 6, HBD 2, PSA 87.96, QED 0.56
Compound (SMILES): CCCS(=O)(=O)Nc1ccc(F)c(C(=O)c2c[nH]c3ncc(-c4cncnc4)cc23)c1F
InChIKey: PDZUTJYMOJFETL-UHFFFAOYSA-N
Target: Serine/threonine-protein kinase B-raf (SINGLE PROTEIN), Homo sapiens
UniProt: P15056
Assay: Inhibition of B-Raf V600E mutant (unknown origin) assessed as decrease in biotin-tagged MEK1 phosphorylation after 45 mins
Measurement: IC50 < 10 nM (pChEMBL 8)
Descriptors: MW 457.46, ALogP 3.68, HBA 6, HBD 2, PSA 117.7, QED 0.41
Compound (SMILES): COc1ccc(Br)c(CC2CCN(CCc3cccc4c3OCCO4)CC2)c1
InChIKey: SWUDFVPQPPJCID-UHFFFAOYSA-N
Target: 5-hydroxytryptamine receptor 1A (SINGLE PROTEIN), Homo sapiens
UniProt: P08908
Assay: Displacement of [3H]-8-OH-DPAT from human 5-HT1A receptor expressed in CHOK1 cells after 30 mins by liquid scintillation counting analysis
Measurement: Ki = 2.12 nM (pChEMBL 8.670000076293945)
Descriptors: MW 446.39, ALogP 4.73, HBA 4, HBD 0, PSA 30.93, QED 0.64
Compound (SMILES): COc1cc2c(Nc3ccc(Br)c(Cl)c3)ncnc2cc1O[C@H]1CO[C@H]2[C@@H]1OC[C@@H]2N1CCOCC1
InChIKey: UPTQFQIWDCTNMU-ZMUKGBGYSA-N
Target: Ephrin type-A receptor 2 (SINGLE PROTEIN), Homo sapiens
UniProt: P29317
Assay: Inhibition of recombinant human N-terminal His6-tagged EphA2 (N598 to R890 residues) expressed in baculovirus using poly-EY as substrate after 180 mins by luciferase coupled chemiluminescence assay
Measurement: IC50 = 1000 nM (pChEMBL 6)
Descriptors: MW 577.86, ALogP 4.04, HBA 9, HBD 1, PSA 87.2, QED 0.47
Compound (SMILES): CN1C(=N)N[C@](C)(c2sc(-c3nnc(-c4cncs4)o3)cc2Cl)CS1(=O)=O
InChIKey: CFIPNTQIGNAOLU-AWEZNQCLSA-N
Target: Beta-secretase 2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9Y5Z0
Assay: Time-Resolved Endpoint Proteolysis Assay: Inhibitor compounds, prepared at 3× the desired final concentration in 1×BACE assay buffer (20 mM sodium acetate pH 5.0, 10% glycerol, 0.1% Brij-35) supplemented with 7.5% DMSO are pre-incubated with an equal volume of autoBACE-2 enzyme diluted in 1×BACE assay buffer (final enzyme concentration 1 nM) in black 384-well NUNC plates for 30 minutes at 30° C. The assay is initiated by addition of an equal volume of the QSY7-EISEVNLDAEFC-Eu-amide substrate (200 nM final concentration, Km=8 μM for 4 μM for autoBACE-2) prepared in 1×BACE assay buffer supplemented with 7.5% DMSO and incubated for 90 minutes at 30° C. DMSO is present at 5% final concentration in the assay. Following laser excitation of sample wells at 320 nm, the fluorescence signal at 620 nm is collected for 400 ms following a 50 μs delay on a RUBYstar HTRF plate reader (BMG Labtechnologies).
Measurement: Ki = 346.9 nM (pChEMBL 6.460000038146973)
Descriptors: MW 444.95, ALogP 2.59, HBA 9, HBD 2, PSA 125.07, QED 0.64
Compound (SMILES): Cc1cc(Nc2cc(C(C)C)[nH]n2)nc(NCc2cc(C(C)C)no2)n1
InChIKey: FDPXBGWCRAXUTA-UHFFFAOYSA-N
Target: Insulin-like growth factor 1 receptor (SINGLE PROTEIN), Homo sapiens
UniProt: P08069
Assay: Inhibition of human IGF1R kinase domain (M954 to C1367 residues) tri-phosphorylated enzyme form expressed in baculovirus based expression system using poly-EY peptide incubated for 2 hrs by luciferase-luciferin coupled chemiluminescent assay
Measurement: IC50 < 50 nM (pChEMBL 7.301000118255615)
Descriptors: MW 355.45, ALogP 4.1, HBA 7, HBD 3, PSA 104.55, QED 0.59
Compound (SMILES): O=C(N[C@@H](c1ccccn1)C(F)(F)F)c1ccc(C2CC2)c(OCC2CC2)n1
InChIKey: RELOIFPKIPXYHO-KRWDZBQOSA-N
Target: Cannabinoid receptor 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P21554
Assay: cAMP Assay: CHO cells expressing human CB1 or CB2 receptors are seeded 17-24 hours prior to the experiment 50.000 cells per well in a black 96 well plate with flat clear bottom (Corning Costar #3904) in DMEM (Invitrogen No. 31331), 1.times.HT supplement, with 10% fetal calf serum and incubated at 5% CO2 and 37° C. in a humidified incubator. The growth medium was exchanged with Krebs Ringer Bicarbonate buffer with 1 mM IBMX and incubated at 30.degree. C. for 30 min Compounds were added to a final assay volume of 100 ul and incubated for 30 min at 30° C. Using the cAMP-Nano-TRF detection kit the assay (Roche Diagnostics) was stopped by the addition of 50 ul lysis reagent (Tris, NaCl, 1.5% Triton X100, 2.5% NP40, 10% NaN.sub.3) and 50 ul detection solutions (20 uM mAb Alexa700-cAMP 1:1, and 48 uM Ruthenium-2-AHA-cAMP) and shaken for 2 h at room temperature. The time-resolved energy transfer is measured by a TRF reader (Evotec Technologies GmbH), equipped with a ND:YAG laser as excitation source. The plate is measured twice with the excitation at 355 nm and at the emission with a delay of 100 ns and a gate of 100 ns, total exposure time 10 s at 730 (bandwidth 30 nm) or 645 nm (bandwidth 75 nm), respectively. The FRET signal is calculated.
Measurement: EC50 > 10000 nM (pChEMBL 5)
Descriptors: MW 391.39, ALogP 4.18, HBA 4, HBD 1, PSA 64.11, QED 0.77
Compound (SMILES): CC(C)(C)OC(=O)N1CCC2(CC1)CC2CNC(=O)c1cc2ccncc2o1
InChIKey: LXFQOWJBLSTFMH-UHFFFAOYSA-N
Target: Nicotinamide phosphoribosyltransferase (SINGLE PROTEIN), Homo sapiens
UniProt: P43490
Assay: Inhibition of NAMPT in human A2780 cells assessed as decrease in cell viability after 72 hrs by SRB assay
Measurement: IC50 = 36 nM (pChEMBL 7.440000057220459)
Descriptors: MW 385.46, ALogP 3.59, HBA 5, HBD 1, PSA 84.67, QED 0.87
Compound (SMILES): CN(C)C1CCN(C(=O)c2ccc(-c3nc(-c4cc(Cl)ccc4OC(F)F)c(NC(=O)c4cnn5cccnc45)s3)cc2)CC1
InChIKey: OAZFGTGLQPLPGT-UHFFFAOYSA-N
Target: Tyrosine-protein kinase JAK2 (SINGLE PROTEIN), Homo sapiens
UniProt: O60674
Assay: JAK Enzyme Assay: The activity of the isolated recombinant JAK1 and JAK2 kinase domain was measured by monitoring phosphorylation of a peptide derived from JAK3 (Val-Ala-Leu-Val-Asp-Gly-Tyr-Phe-Arg-Leu-Thr-Thr, fluorescently labeled on the N-terminus with 5-carboxyfluorescein) using the Caliper LabChip® technology (Caliper Life Sciences, Hopkinton, Mass.). To determine inhibition constants (Ki), compounds were diluted serially in DMSO and added to 50 μL kinase reactions containing purified enzyme (1.5 nM JAK1, or 0.2 nM JAK2), 100 mM HEPES buffer (pH 7.2), 0.015% Brij-35, 1.5 μM peptide substrate, ATP (25 μM), 10 mM MgCl2, 4 mM DTT at a final DMSO concentration of 2%. Reactions were incubated at 22° C. in 384-well polypropylene microtiter plates for 30 minutes and then stopped by addition of 25 μL of an EDTA containing solution (100 mM HEPES buffer (pH 7.2), 0.015% Brij-35, 150 mM EDTA), resulting in a final EDTA concentration of 50 mM. After termination of the kinase reaction, the proportion of phosphorylated product was determined as a fraction of total peptide substrate using the Caliper LabChip® 3000 according to the manufacturer's specifications.
Measurement: Ki = 0.41 nM (pChEMBL 9.390000343322754)
Descriptors: MW 652.13, ALogP 6.19, HBA 9, HBD 1, PSA 104.96, QED 0.21
Compound (SMILES): COc1cc(C(=O)NCc2cccc(C(=O)O)c2)ccc1-c1cn[nH]c1
InChIKey: FPNYVINXEGJSCQ-UHFFFAOYSA-N
Target: Rho-associated protein kinase 2 (SINGLE PROTEIN), Homo sapiens
UniProt: O75116
Assay: In Vitro Assay: The effectiveness of compounds of the present invention as ROCK inhibitors can be determined in a 30 μL assay containing 20 mM HEPES, pH 7.5, 20 mM MgCl2, 0.015% Brij-35, 4 mM DTT, 5 μM ATP and 1.5 μM peptide substrate (FITC-AHA-AKRRRLSSLRA-OH). Compounds were dissolved in DMSO so that the final concentration of DMSO was <2%, and the reaction was initiated with Rho kinase variants. After incubation, the reaction was terminated by the addition of EDTA and the phosphorylated and non-phosphorylated peptides separated using a LABCHIP® 3000 Reader (Caliper Life Sciences). Controls consisted of assays that did not contain compound, and backgrounds consisted of assays that contained enzyme and substrate but had EDTA from the beginning of the reaction to inhibit kinase activity.
Measurement: IC50 = 1.2 nM (pChEMBL 8.920000076293945)
Descriptors: MW 351.36, ALogP 2.71, HBA 4, HBD 3, PSA 104.31, QED 0.63
Compound (SMILES): Cn1c(SCCCN2CC[C@]3(C[C@@H]3c3ccc(F)cc3F)C2)nnc1-c1cccnc1
InChIKey: IKSPSLCLHNNQFS-XXBNENTESA-N
Target: D(3) dopamine receptor (SINGLE PROTEIN), Homo sapiens
UniProt: P35462
Assay: Displacement of [3H]-spiperone from human dopamine D3 receptor expressed in CHO-K1 cell membranes after 90 mins by liquid scintillation counting
Measurement: Ki = 1.288 nM (pChEMBL 8.890000343322754)
Descriptors: MW 441.55, ALogP 4.52, HBA 6, HBD 0, PSA 46.84, QED 0.4
Compound (SMILES): Cn1c(=O)c2c(CC(=O)Nc3nc(-c4ccc(Br)cc4)cs3)cccc2n(C)c1=O
InChIKey: NIVMPNIOANBDGM-UHFFFAOYSA-N
Target: Transient receptor potential cation channel subfamily V member 1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q8NER1
Assay: Radiometric Calcium Assay: The inhibition of TRPA1 receptor activation was measured as inhibition of allylisothiocyanate (AITC) induced cellular uptake of radioactive calcium. Test compounds were dissolved in DMSO to prepare 10 mM stock solution and then diluted using plain medium with 0.1% BSA and 1.8 mM CaCl2 to get desired concentration. Final concentration of DMSO in the reaction was 0.5% (v/v). Human TRPA1 expressing CHO cells were grown in F-12 DMEM medium with 10% FBS, 1% penicillin-streptomycin solution, and 400 ug/ml of G-418. Cells were seeded 24 h prior to the assay in 96 well plates so as to get 50,000 cells per well on the day of experiment. Cells were treated with test compounds for 10 min followed by addition of AITC at a final concentration of 30 micromolar and 5 uCi/ml 45Ca+2 for 3 min at 25° C. Cells were washed and lysed using buffer containing 1% Triton X-100, 0.1% deoxycholate and 0.1% SDS. Radioactivity in the lysate was measured in Packard Top count.
Measurement: IC50 > 10000 nM (pChEMBL 5)
Descriptors: MW 485.36, ALogP 3.3, HBA 7, HBD 1, PSA 85.99, QED 0.48
Compound (SMILES): CC(C)(C)OC(=O)N1CC[C@H](n2cc(NC(=O)c3cnn4cccnc34)c(-c3cc(Cl)ccc3OC(F)F)n2)[C@@H](O)C1
InChIKey: LTCKRBVURXYRCH-PMACEKPBSA-N
Target: Tyrosine-protein kinase JAK2 (SINGLE PROTEIN), Homo sapiens
UniProt: O60674
Assay: JAK Enzyme Assay: The activity of the isolated recombinant JAK1 and JAK2 kinase domain was measured by monitoring phosphorylation of a peptide derived from JAK3 (Val-Ala-Leu-Val-Asp-Gly-Tyr-Phe-Arg-Leu-Thr-Thr, fluorescently labeled on the N-terminus with 5-carboxyfluorescein) using the Caliper LabChip® technology (Caliper Life Sciences, Hopkinton, Mass.). To determine inhibition constants (Ki), compounds were diluted serially in DMSO and added to 50 μL kinase reactions containing purified enzyme (1.5 nM JAK1, or 0.2 nM JAK2), 100 mM HEPES buffer (pH 7.2), 0.015% Brij-35, 1.5 μM peptide substrate, ATP (25 μM), 10 mM MgCl2, 4 mM DTT at a final DMSO concentration of 2%. Reactions were incubated at 22° C. in 384-well polypropylene microtiter plates for 30 minutes and then stopped by addition of 25 μL of an EDTA containing solution (100 mM HEPES buffer (pH 7.2), 0.015% Brij-35, 150 mM EDTA), resulting in a final EDTA concentration of 50 mM. After termination of the kinase reaction, the proportion of phosphorylated product was determined as a fraction of total peptide substrate using the Caliper LabChip® 3000 according to the manufacturer's specifications.
Measurement: Ki = 3.72 nM (pChEMBL 8.430000305175781)
Descriptors: MW 604.01, ALogP 4.64, HBA 10, HBD 2, PSA 136.11, QED 0.33
Compound (SMILES): CCOCc1c(-c2cc3cc(C)cc(OC)c3s2)c2c(N)ncnn2c1C(=O)N1CCNC(=O)C1
InChIKey: XYPWOVIYTASZPA-UHFFFAOYSA-N
Target: Fibroblast growth factor receptor 3 (SINGLE PROTEIN), Homo sapiens
UniProt: P22607
Assay: Kinase Assay: For the assay, 50 nl of each stock solution of the test compound in DMSO was pipetted into a black, low-volume 384-well microtiter plate (Greiner Bio-One, Frickenhausen, Germany) 2 ul of a solution of the above FGFR-3 fusion protein in aqueous assay buffer [8 mM MOPS pH 7.0, 10 mM magnesium acetate, 1.0 mM dithiothreitol, 0.05% (w/v) bovine serum albumin (BSA), 0.07% (v/v) Tween-20, 0.2 mM EDTA] was added, and the mixture was incubated for 15 min at 22° C. to allow pre-binding of the test compound to the enzyme. Then, the kinase reaction was started by the addition of 3 ul of a solution of adenosine triphosphate (ATP, 16.7 uM; final concentration in the 5 ul assay volume=10 uM) and substrate (0.8 uM; final concentration in the 5 ul assay volume=0.5 uM) in assay buffer, and the resulting mixture was incubated for a reaction time of 60 min at 22° C. The concentration of FGFR-3 fusion protein was adjusted depending on the activity of the enzyme lot.
Measurement: IC50 = 17.4 nM (pChEMBL 7.760000228881836)
Descriptors: MW 494.58, ALogP 2.62, HBA 9, HBD 2, PSA 124.08, QED 0.42
Compound (SMILES): CCCCN(CCCC)C(=O)c1cn(CCCN(C)C)c(-c2ccc(C(=O)NS(=O)(=O)c3ccc4ccccc4c3)cc2C(=O)N2CCc3ccccc3C2)n1
InChIKey: VLBOEOQIOYVQRX-UHFFFAOYSA-N
Target: Bcl-2-like protein 1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q07817
Assay: Fluorescence Resonance Energy Transfer Assay (FRET): The assays were performed in black flat-bottom 384-well plates. The final assay volume was 55 μl prepared from additions of Biotin-Bcl-xL (Bcl-xL: GENBANK® Accession No. Q07817), fluoresceinated 18-mer BIM peptide (NH2-YYANFEDGIRRLEQAIWI-[FAM]) (SEQ ID NO: 1), Streptavidin-Terbium FRET detection reagent, and test compounds in assay buffer consisting of 20 mM Sodium Phosphate, 1 mM EDTA, 50 mM NaCl, and 0.05% Pluronic Acid. The reaction was incubated at room temperature for 60 minutes. After 60 minutes, 5 μL of Streptavidin-Terbium FRET detection reagent (Perkin Elmer) was added to the reaction mixture and incubated at room temperature in the dark for 30 mins. The FRET signal generated by the reaction was detected on the Envision Plate Reader Inhibition data were calculated from FRET values generated by the no protein control reactions for 100% inhibition and vehicle-only reactions for 0% inhibition. The final concentration of reagents in the assay was 10 nM Bcl-xL, 5 nM fluo
Measurement: IC50 = 30 nM (pChEMBL 7.519999980926514)
Descriptors: MW 777, ALogP 7.01, HBA 8, HBD 1, PSA 124.92, QED 0.11
Compound (SMILES): CN(C)C1(CNc2ccc(S(=O)(=O)NC(=O)c3ccc(N4CCN(CC5=C(c6ccc(Cl)cc6)CC(C)(C)CC5)CC4)cc3Oc3ccc4[nH]ccc4c3)cc2[N+](=O)[O-])CCOCC1
InChIKey: HTRNACNYLVPERU-UHFFFAOYSA-N
Target: Bcl-2-like protein 1 (SINGLE PROTEIN), Mus musculus
UniProt: Q64373
Assay: Time Resolved-Fluorescence Resonance Energy Transfer (TR-FRET) Assay: The inhibition constant (Ki) is the dissociation constant of an enzyme-inhibitor complex or a protein/small molecule complex, wherein the small molecule is inhibiting binding of one protein to another protein or peptide. Where the Ki for a compound is represented as > (greater than) a certain numerical value, it is intended to mean that the binding affinity value (e.g., for Bcl-XL) is greater than the limits of detection of the assay used. Where the binding selectivity ratio for a compound is represented as > (greater than) a certain numerical value, it is intended to mean that the selectivity of a particular compound for Bcl-2 over Bcl-XL is at least as great as the number indicated. Where the Ki for a compound is represented as < (less than) a certain numerical value, it is intended to mean that the binding affinity value (e.g., for Bcl-2) is lower than the limit of detection of the assay used. Inhibition constants were determined using Wang's equation (Wang Z-X).
Measurement: Ki > 660 nM (pChEMBL 6.179999828338623)
Descriptors: MW 910.54, ALogP 8.95, HBA 11, HBD 3, PSA 162.38, QED 0.07
Compound (SMILES): [C-]#[N+]c1c(F)ccc([C@H]2CN3CCN(C(=O)Cc4ccc(-n5cnnn5)cn4)C[C@H]3CO2)c1C
InChIKey: NJTBWTPAYXBMJL-GHTZIAJQSA-N
Target: ATP-sensitive inward rectifier potassium channel 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P48048
Assay: Electrophysiology Assay: Block of Kir1.1 (ROMK1) currents was examined by whole cell voltage clamp (Hamill et. al. Pfluegers Archives 391:85-100 (1981)) using the IonWorks Quattro automated electrophysiology platform (Molecular Devices, Sunnyvale, Calif.). Chinese hamster ovary cells stably expressing Kir1.1 channels were maintained in T-75 flasks in cell culture media in a humidified 10% CO2 incubator at 37° C. Prior to an experiment, Kir1.1 expression was induced by overnight incubation with 1 mM sodium butyrate. On the day of the experiment, cells were dissociated with 2.5 mL of Versene (Invitrogen 15040-066) for approximately 6 min at 37° C. and suspended in 10 mL of bath solution containing (in mM): 150 NaCl, 10 KCl, 2.7 CaCl2, 0.5 MgCl2, 5 HEPES, pH 7.4. After centrifugation, the cell pellet was resuspended in approximately 4.0 mL of bath solution and placed in the IonWorks instrument. The intracellular solution consisted of (in mM): 80 K gluconate, 40 KCl, 20 KF, 3.2 MgCl2, 3 EGTA, 5 Hepes, pH 7.4. Ele
Measurement: IC50 = 100 nM (pChEMBL 7)
Descriptors: MW 462.49, ALogP 1.88, HBA 8, HBD 0, PSA 93.63, QED 0.55
Compound (SMILES): O=C(NC1CCCNC1)[C@@H]1CC[C@@H]2CN1C(=O)N2OS(=O)(=O)O
InChIKey: OMBRYYNMYXZMPQ-XVBQNVSMSA-N
Target: Beta-lactamase (SINGLE PROTEIN), Klebsiella pneumoniae
UniProt: Q93LQ9
Assay: Spectrophotometric Assay: Enzyme activities were measured in the presence of the test inhibitor in spectrophotometric assay.
Measurement: IC50 = 480 nM (pChEMBL 6.320000171661377)
Descriptors: MW 348.38, ALogP -1.14, HBA 6, HBD 3, PSA 128.28, QED 0.55
Compound (SMILES): C[C@@]1(c2sc(-c3cccc(C#N)c3)cc2Cl)CS(=O)(=O)C2(CCOCC2)C(=N)N1
InChIKey: OWXWGPFRXDZKJL-IBGZPJMESA-N
Target: Beta-secretase 2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9Y5Z0
Assay: HTRF FRET Assay: Inhibitor IC50s at purified human autoBACE-2 are determined in a time-resolved endpoint proteolysis assay that measures hydrolysis of the QSY7-EISEVNLDAEFC-Eu-amide FRET peptide substrate (BACE-HTRF assay). BACE-mediated hydrolysis of this peptide results in an increase in relative fluorescence (RFU) at 620 nm after excitation with 320 nm light Inhibitor compounds, prepared at 3x the desired final concentration in 1x BACE assay buffer (20 mM sodium acetate pH 5.0, 10% glycerol, 0.1% Brij-35) supplemented with 7.5% DMSO are pre-incubated with an equal volume of autoBACE-2 enzyme diluted in 1x BACE assay buffer (final enzyme concentration 1 nM) in black 384-well NUNC plates for 30 minutes at 30° C. The assay is initiated by addition of an equal volume of the QSY7-EISEVNLDAEFC-Eu-amide substrate (200 nM final concentration, Km=8 uM for 4 uM for autoBACE-2) prepared in 1x BACE assay buffer supplemented with 7.5% DMSO and incubated for 90 minutes at 30° C.
Measurement: Ki < 50 nM (pChEMBL 7.301000118255615)
Descriptors: MW 449.99, ALogP 3.7, HBA 6, HBD 2, PSA 103.04, QED 0.73
Compound (SMILES): CC(C)Oc1ccccc1N1CCCN(CCCCOc2ccc3ccc(=O)[nH]c3c2)CC1
InChIKey: OKJIXAFKUUQQCX-UHFFFAOYSA-N
Target: D(2) dopamine receptor (SINGLE PROTEIN), Homo sapiens
UniProt: P14416
Assay: cAMP GloSensor Assay: HEK293T cells co-expressing the cAMP biosensor GloSensor-22F (Promega) and hD2 receptors were seeded (10,000 cells/20 ul/well) into white, clear-bottom, tissue culture plates in HBSS, 10% FBS, 20 mM HEPES, pH 7.4. After a one- to two-hour recovery, cells were treated with 10 ul of 3x test or reference drug prepared in HBSS, 10% FBS, 20 mM HEPES, pH 7.4. After 30 minutes, cells were challenged with 10 ul of 1,200 nM (4x) isoproterenol in 8% (4x) GloSensor reagent. Luminescence per well per second was read on a Wallac TriLux microbeta plate counter. Data were normalized to the isoproterenol response (100%) and the maximal quinpirole-induced inhibition thereof (0%) and regressed using the sigmoidal dose-response function built into GraphPad Prism 4.0. Notably, HEK293T cells expressing the GloSensor-22F alone (no hD2) were assayed in parallel and displayed no inhibition of isoproterenol-stimulated cAMP.
Measurement: EC50 = 0.1 nM (pChEMBL 10)
Descriptors: MW 449.6, ALogP 4.69, HBA 5, HBD 1, PSA 57.8, QED 0.48
Compound (SMILES): Cc1cc(Nc2cc(C)c(C#N)c(NCCOc3ccncc3)n2)n[nH]1
InChIKey: MKIOKPWDAUFCOF-UHFFFAOYSA-N
Target: Cytochrome P450 1A2 (SINGLE PROTEIN), Homo sapiens
UniProt: P05177
Assay: Inhibition of CYP1A2 (unknown origin)
Measurement: IC50 < 400 nM (pChEMBL 6.3979997634887695)
Descriptors: MW 349.4, ALogP 2.92, HBA 7, HBD 3, PSA 111.54, QED 0.56
Compound (SMILES): NCCC1CNC(=O)c2cc(-c3cccc(OC(F)(F)F)c3)c(-c3ccccc3)n21
InChIKey: WTGCKCDNZFLRCX-UHFFFAOYSA-N
Target: Serine/threonine-protein kinase pim-2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9P1W9
Assay: Trans-Phosphorylation Assay: The inhibitory activity of putative kinase inhibitors and the potency of selected compounds were determined using a trans-phosphorylation assay.Specific peptide or protein substrates were trans-phosphorylated by their specific ser-thr or tyr kinase in the presence of ATP traced with 33P-gamma-ATP, and in the presence of their own optimal buffer and cofactors. At the end of the phosphorylation reaction, more than 98% unlabeled ATP and radioactive ATP were captured by an excess of the ion exchange dowex resin; the resin then settled down to the bottom of the reaction plate by gravity. Supernatant was subsequently withdrawn and transferred into a counting plate, then evaluated by beta-counting. Kinase Buffer (KB):The buffer for PIM2 assay was composed of HEPES 50 mM, at pH 7.5, with 1 mM MgCl2, 1 mM DTT, 3 uM Na3VO4, and 0.2 mg/mL BSA.Â  Full-length human PIM2 was expressed and purified as described in Fedorov O, et al., PNAS 2007 104, 51, 20523-28.
Measurement: IC50 = 55 nM (pChEMBL 7.260000228881836)
Descriptors: MW 415.42, ALogP 4.35, HBA 4, HBD 2, PSA 69.28, QED 0.65
Compound (SMILES): O=C(COc1cccc2[nH]c(=O)cnc12)NCC(O)CN1CCc2ccccc2C1
InChIKey: BHHSWQSNBXDCGH-UHFFFAOYSA-N
Target: Protein arginine N-methyltransferase 5 (SINGLE PROTEIN), Homo sapiens
UniProt: O14744
Assay: Biochemical Assay: Molecular Biology: Full-length human PRMT5 (NM_006109.3) transcript variant 1 clone was amplified from a fetal brain cDNA library, incorporating flanking 5′ sequence encoding a FLAG tag (MDYKDDDDK) (SEQ ID NO.:4) fused directly to Ala 2 of PRMT5. Full-length human MEP50 (NM_024102) clone was amplified from a human testis cDNA library incorporating a 5′ sequence encoding a 6-histidine tag (MHHHHHH) (SEQ ID NO.:5) fused directly to Arg 2 of MEP50. The amplified genes were sublconed into pENTR/D/TEV (Life Technologies) and subsequently transferred by Gateway attL×attR recombination to pDEST8 baculvirus expression vector (Life Technologies).Protein Expression. Recombinant baculovirus and Baculovirus-Infected Insect Cells (BIIC) were generated according to Bac-to-Bac kit instructions (Life Technologies) and Wasilko, 2006, respectively. Protein over-expression was accomplished by infecting exponentially growing Spodoptera frugiperda (SF9) cell culture at 1.2×106 cell/ml with a 5000 fold dilution of BIIC stock. Infections were carried out at 27° C. for 72 hours, harvested by centrifugation, and stored at −80° C. for purification.
Measurement: IC50 = 5500 nM (pChEMBL 5.260000228881836)
Descriptors: MW 408.46, ALogP 0.84, HBA 6, HBD 3, PSA 107.55, QED 0.53
Compound (SMILES): COc1ccc(C[C@@H](NC(=O)c2ccccc2)C(=O)N[C@@H](Cc2ccccc2)C(=O)NCc2ccc(CN)cc2)cn1
InChIKey: WVHMGGCVTKVQNI-URLMMPGGSA-N
Target: Kallikrein-1 (SINGLE PROTEIN), Homo sapiens
UniProt: P06870
Assay: In Vitro Inhibition Assay: KLK1 inhibitory activity in vitro was determined using standard published methods (see e.g. Johansen et al., Int. J. Tiss. Reac. 1986, 8, 185; Shori et al., Biochem. Pharmacol., 1992, 43, 1209; Stürzebecher et al., Biol. Chem. Hoppe-Seyler, 1992, 373, 1025). Human KLK1 (Callbiochem) was incubated at 37° C. with the fluorogenic substrate H-DVal-Leu-Arg-AFC and various concentrations of the test compound. Residual enzyme activity (initial rate of reaction) was determined by measuring the change in optical absorbance at 410 nm and the IC50 value for the test compound was determined.
Measurement: IC50 > 10000 nM (pChEMBL 5)
Descriptors: MW 565.67, ALogP 2.93, HBA 6, HBD 4, PSA 135.44, QED 0.2
Compound (SMILES): CC(C)(O)CNc1cc(C(N)=O)nc(-c2ccc(Oc3ccc(F)cc3)cc2)n1
InChIKey: KNUSTXCZNIGYBZ-UHFFFAOYSA-N
Target: N-formyl peptide receptor 2 (SINGLE PROTEIN), Homo sapiens
UniProt: P25090
Assay: FLIPR Assay: Assay Buffer: The assay buffer was formulated by removing 120 mL from a 1 L bottle of fresh, sterile dH2O (Mediatech, Herndon, Va.) and adding 100 mL of 10×HBSS that does not contain Ca++ or Mg++ (Gibco, Invitrogen, Grand Island, N.Y.) followed by 20 mL of 1.0 M Hepes, pH 7.3 (Fisher Scientific, BP299-100). The final buffer consisted of 20 mM Hepes, pH 7.3, 1.261 mM CaCl2, 0.493 mM MgCl2, 0.407 mM Mg(SO)4, 5.33 mM KCl, 0.441 mM KH2PO4, 137 mM NaCl, 0.336 mM Na2HPO4 and 0.556 mM D-glucose (Hanks et al., Proc. Soc. Exp. Biol. Med. 71:196 (1949)), and the simple formulation was typically the basic buffer throughout the assay (i.e., all wash and addition steps).
Measurement: IC50 = 110 nM (pChEMBL 6.960000038146973)
Descriptors: MW 396.42, ALogP 3.36, HBA 6, HBD 3, PSA 110.36, QED 0.56
Compound (SMILES): O=C(NC[C@@H](O)CN1CCc2ccccc2C1)Oc1ccccc1
InChIKey: ISPNKABZQKKZLU-QGZVFWFLSA-N
Target: Protein arginine N-methyltransferase 5 (SINGLE PROTEIN), Homo sapiens
UniProt: O14744
Assay: Inhibition of PRMT5 in human Z138 cells assessed as decrease in di-methyl arginine levels after 96 hrs by Western blot method
Measurement: EC50 = 1001 nM (pChEMBL 6)
Descriptors: MW 326.4, ALogP 2.19, HBA 4, HBD 2, PSA 61.8, QED 0.88
Compound (SMILES): COc1cccc(F)c1[C@@H]1C[C@H](Cl)C(=O)N1Cc1ccc(OC(F)(F)F)cc1
InChIKey: NXXKGTAACDQFCQ-ZFWWWQNUSA-N
Target: Orexin receptor type 2 (SINGLE PROTEIN), Homo sapiens
UniProt: O43614
Assay: In Vitro Assay: Intracellular Calcium Measurements : In Vitro Assay: Intracellular Calcium Measurements:Chinese hamster ovary (CHO) cells expressing the human orexin-1 receptor and the human orexin-2 receptor, respectively, are grown in culture medium (Ham F-12 with L-Glutamine) containing 300 g/ml G418, 100 U/ml penicillin, 100 g/ml streptomycin and 10% heat inactivated fetal calf serum (FCS). The cells are seeded at 20,000 cells/well into 384-well black clear bottom sterile plates (Greiner). The seeded plates are incubated overnight at 37° C. in 5% CO2. Human orexin-A as an agonist is prepared as 1 mM stock solution in MeOH:water (1:1), diluted in HBSS containing 0.1% bovine serum albumin (BSA), NaHCO3: 0.375 g/l and 20 mM HEPES for use in the assay at a final concentration of 3 nM.Antagonists are prepared as 10 mM stock solution in DMSO, then diluted in 384-well plates using DMSO followed by a transfer of the dilutions into in HBSS containing 0.1% bovine serum albumin (BSA), NaHCO3: 0.375 g/l and 20 mM HEPES. On the day of the assay, 50 μl of staining buffer (HBSS containing 1% FCS, 20 mM HEPES, NaHCO3: 0.375 g/l, 5 mM probenecid (Sigma) and 3 M of the fluorescent calcium indicator fluo-4 AM (1 mM stock solution in DMSO, containing 10% pluronic) is added to each well. The 384-well cell-plates are incubated for 50 min at 37° C. in 5% CO2 followed by equilibration at RT for 30 min before measurement.
Measurement: IC50 = 96 nM (pChEMBL 7.019999980926514)
Descriptors: MW 417.79, ALogP 4.81, HBA 3, HBD 0, PSA 38.77, QED 0.52