lovingscience/chembl-v37-raw-activities huggingface dataset:
Compound (SMILES): Cc1cnc(C(CC(=O)O)c2cc(Cl)cc(-c3ccccc3F)c2)s1
InChIKey: YVTJPPRBVJPFPK-UHFFFAOYSA-N
Target: Lysosomal protective protein (SINGLE PROTEIN), Homo sapiens
UniProt: P10619
Assay: Inhibition Assay: The activated cathepsin A was diluted in assay buffer (25 mM MES, pH 5.5, containing 5 mM DTT) and mixed with the test compound (dissolved in assay buffer containing (v/v) 3% DMSO) or, in the control experiments, with the vehicle in a multiple assay plate. After incubation for 15 min at room temperature, as substrate then bradykinin carrying an N-terminal® Bodipy FL (4,4-difluoro-5,7-dimethyl-4-bora-3a,4a-diaza-s-indacene-3-propionyl) label (JPT Peptide Technologies GmbH; dissolved in assay buffer) was added to the mixture. The final concentration of cathepsin A was 833 ng/ml and the final concentration of labeled bradykinin 2 μM. After incubation for 15 min at room temperature the reaction was stopped by the addition of stop buffer (130 mM 2-(4-(2-hydroxy-ethyl)-piperazin-1-yl)-ethanesulfonic acid, pH 7.4, containing (v/v) 0.013%° Triton X-100, 0.13% Coating Reagent 3 (Caliper Life Sciences), 6.5% DMSO and 20 μM ebelactone B (Sigma, #E0886)).
Measurement: IC50 = 328 nM (pChEMBL 6.480000019073486)
Descriptors: MW 375.85, ALogP 5.52, HBA 3, HBD 1, PSA 50.19, QED 0.64
Compound (SMILES): Cc1ccc(/C=C2/CNCC3=C2N=C2SC=C(c4ccc5ccccc5c4)N2C3c2ccc(C)cc2)cc1
InChIKey: WKARSUCWLGJENG-RHANQZHGSA-N
Target: Acetylcholinesterase (SINGLE PROTEIN), Homo sapiens
UniProt: P22303
Assay: Inhibition of acetylcholinesterase (unknown origin) assessed as reduction in formation of 5-thio-2-nitrobenzoate from acetylthiocholine iodide preincubated for 15 mins followed by substrate addition measured after 30 mins by Ellman's method
Measurement: IC50 = 980 nM (pChEMBL 6.010000228881836)
Descriptors: MW 511.69, ALogP 7.86, HBA 4, HBD 1, PSA 27.63, QED 0.3
Compound (SMILES): CN1CCC[C@H]1C(=O)N1CCC(CCOc2ccc(-c3nc(C#N)nc4c3ccn4C)cc2C(F)(F)F)C1
InChIKey: QGYOHHXTFBXNFI-LFABVHOISA-N
Target: Cathepsin S (SINGLE PROTEIN), Homo sapiens
UniProt: P25774
Assay: Inhibition Assay: 5 μL of a human cathepsin S enzyme (R&D1183-CY-010) was added to a 96-well plate so as to be 20 ng/well. Next, 10-fold dilution of the test compound (a 10 mM DMSO solution) was serially performed with a buffer solution for assay (a solution of 50 mM sodium methoxide, 250 mM sodium chloride and 5 mM dithiothreitol (DTT), adjusted to pH=4.5 with 1 N hydrochloric acid) six times such that the final concentration becomes 0.1 nM to 10 μM then, 20 μL of each of the solutions was added to the wells (the final DMSO concentration was 0.1%), and 25 μL of synthetic substrate VVR-AMC (3211-V manufactured by PEPTIDE INSTITUTE, INC.) was added thereto such that the final concentration becomes 40 μM, thereby starting a enzyme reaction. A fluorescence intensity (an excitation wavelength: 380 nm and a fluorescent wavelength: 460 nm) was measured at 37° C. for 10 minutes immediately after the start of the reaction using a fluorescence spectrophotometer (SPECTRA MAX GEMINI, manu
Measurement: IC50 = 2.3 nM (pChEMBL 8.640000343322754)
Descriptors: MW 526.56, ALogP 4.24, HBA 7, HBD 0, PSA 87.28, QED 0.48
Compound (SMILES): Cc1cccc2cc(Cn3nc(C#C[C@@H](C)O)c4c(N)ncnc43)n(C3CC3)c(=O)c12
InChIKey: GULHFVJPEHJZAY-CQSZACIVSA-N
Target: Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit gamma isoform (SINGLE PROTEIN), Homo sapiens
UniProt: P48736
Assay: Inhibition of recombinant human C-terminal His6-tagged p110gamma expressed in insect cells using phosphatidylinositol as substrate in presence of gamma-32P-ATP after 5 mins by thin layer chromatographic method
Measurement: IC50 < 1000 nM (pChEMBL 6)
Descriptors: MW 414.47, ALogP 2.15, HBA 8, HBD 2, PSA 111.85, QED 0.5
Compound (SMILES): Cc1ccc(-c2ccc(O[C@H]3C[C@@H](C(=O)N[C@@H](Cc4ccc(OCCc5ccccc5)cc4)C(=O)NS(=O)(=O)c4ccc(Cl)c([N+](=O)[O-])c4)N(C(=O)OC(C)(C)C)C3)cc2)cc1
InChIKey: TWCUIGYIPBFIAD-CVZXRMCMSA-N
Target: Induced myeloid leukemia cell differentiation protein Mcl-1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q07820
Assay: Inhibition of 5-FAM-QEDIIRNIARHLAQVGDSMDRSIPPG binding to Mcl-1 (unknown origin) preincubated for 30 mins followed by FAM-labeled peptide addition measured after 20 mins by fluorescence polarization assay
Measurement: Ki = 410 nM (pChEMBL 6.389999866485596)
Descriptors: MW 883.42, ALogP 7.83, HBA 10, HBD 2, PSA 183.48, QED 0.08
Compound (SMILES): O=C(CCCOc1ccccc1)Nc1cccc(Cc2n[nH]c(=O)c3c2CCCC3)c1
InChIKey: MUIMWSIJBUULAE-UHFFFAOYSA-N
Target: Poly [ADP-ribose] polymerase 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P09874
Assay: PARP Enzyme Inhibition Assay: PARP1 assay was conducted in PARP assay buffer containing 50 mM Tris pH 8.0, 1 mM DTT, 4 mM MgCl2. PARP reactions contained 1.5 uM [3H]-NAD+ (1.6 uCi/mmol), 200 nM biotinylated histone H1, 200 nM sIDNA, and 1 nM PARP enzyme. Auto reactions utilizing SPA bead-based detection were carried out in 100 uL volumes in white 96 well plates. Reactions were initiated by adding 50 ul of 2xNAD+ substrate mixture to 50 uL of 2x enzyme mixture containing PARP and DNA. These reactions were terminated by the addition of 150 uL of 1.5 mM benzamide (~1000-fold over its IC50). 170 uL of the stopped reaction mixtures were transferred to streptavidin Flash Plates, incubated for 1 hour, and counted using a TopCount microplate scintillation counter.
Measurement: Ki = 14 nM (pChEMBL 7.849999904632568)
Descriptors: MW 417.51, ALogP 4.04, HBA 4, HBD 2, PSA 84.08, QED 0.54
Compound (SMILES): CC(C)CCn1c2c(c3ccccc31)C(=O)NCCC2
InChIKey: BQYNUGNKCXYXRM-UHFFFAOYSA-N
Target: Acetylcholinesterase (SINGLE PROTEIN), Electrophorus electricus
UniProt: O42275
Assay: Inhibition of electric eel AChE pretreated for 20 mins followed by acetylthiocholine iodide substrate addition measured for 5 mins by Ellman's method
Measurement: IC50 = 100000 nM (pChEMBL 4)
Descriptors: MW 270.38, ALogP 3.36, HBA 2, HBD 1, PSA 34.03, QED 0.91
Compound (SMILES): CCOCc1c(-c2cc3cc(C)cc(OC)c3s2)c2c(N)ncnn2c1CN1CCCCO1
InChIKey: APDMOGFKGHOWEW-UHFFFAOYSA-N
Target: Fibroblast growth factor receptor 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P11362
Assay: High ATP 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 Î¼l of a solution of the above FGFR-1 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, 3.3 mM; final concentration in the 5 ul assay volume=2 mM) and substrate (0.16 uM; final concentration in the 5 ul assay volume=0.1 uM) in assay buffer, and the resulting mixture was incubated for a reaction time of 15 min at 22° C. The concentration of FGFR-1 fusion protein was adjusted depending on the activity of the enzyme lot.
Measurement: IC50 = 81.9 nM (pChEMBL 7.090000152587891)
Descriptors: MW 467.6, ALogP 4.57, HBA 9, HBD 1, PSA 87.14, QED 0.43
Compound (SMILES): Cc1nnc(-c2ccc3[nH]cc(-c4cccc(OC(C)C)n4)c3c2)o1
InChIKey: RLFQVKISFLTJNU-UHFFFAOYSA-N
Target: Serine/threonine-protein kinase pim-1 (SINGLE PROTEIN), Homo sapiens
UniProt: P11309
Assay: Enzyme Assay: The assay for the determination of Pim activity is based on the formation of phosphorylated biotinylated-BAD peptide at the Serine 112 residue (S112) and employs HTRF® (homogeneous time resolved fluorescence) technology to detect the product in a 96-well plate format. The phosphorylation of biotinylated-BAD (S112) peptide by full length recombinant Pim-1, Pim-2, or Pim-3 protein was detected with streptavidin:Allophycocyanin (APC) conjugate and a europium (Eu) labeled antibody directed against phosphorylated-BAD (S112). Excitation of Eu by a high energy laser light (337 nm) leads to a transfer of energy to the APC molecule, and results in an emission at 665 nm. The fluorescence is directly proportional to the amount of phosphorylated BAD peptide present in the reaction.Compounds were prepared in DMSO by conducting 3-fold serial dilutions to give a 10-point dosing curve having a high dose of 1 uM. A reference compound was included on each assay plate in order to validate that plate; on
Measurement: IC50 = 21.18 nM (pChEMBL 7.670000076293945)
Descriptors: MW 334.38, ALogP 4.38, HBA 5, HBD 1, PSA 76.83, QED 0.6
Compound (SMILES): Cc1c(N(Cc2ccc(F)c(C(F)(F)F)c2)S(=O)(=O)c2c(Cl)nc3sccn23)sc2ccccc12
InChIKey: CGTYLEQWAYIMJI-UHFFFAOYSA-N
Target: Transient receptor potential M8 protein (SINGLE PROTEIN), Canis lupus familiaris
UniProt: Q1A7N1
Assay: Functional Assay: The functional activity of compounds of the formula (I) was determined by measuring changes in intracellular calcium concentration using a Ca2+-sensitive fluorescent dye. The changes in fluorescent signal were monitored by a fluorescence plate reader, either a FLIPR (Molecular Devices) or FDSS (Hamamatsu). Increases in intracellular Ca2+ concentration were readily detected upon activation with icilin.At 24 hrs prior to assay, HEK293 cells stably expressing canine TRPM8 were seeded in culture medium in black wall, clear-base poly-D-lysine coated 384-well plates (BD Biosciences, NJ, USA) and grown overnight in 5% CO2 at 37° C. On assay day, growth media was removed and cells were loaded with Calcium 3 Dye (Molecular Devices) for 35 min at 37° C., under 5% CO2 and then for 25 min at room temperature and atmosphere. Subsequently, cells were tested for agonist-induced increases in intracellular Ca2+ levels using FLIPR or FDSS. Cells were challenged with a compound of the Formula (I) (at varying concentrations) and intracellular Ca2+ was measured for 5 min prior to the addition of icilin to all wells to achieve a final concentration that produces approximately an 80% maximal response. EC50 or IC50 values for compounds of the present invention were determined from eight-point dose-response studies.
Measurement: IC50 = 19 nM (pChEMBL 7.71999979019165)
Descriptors: MW 560.02, ALogP 7.13, HBA 6, HBD 0, PSA 54.68, QED 0.22
Compound (SMILES): CC(C)(O)C(=O)N1CC=C(c2ccc(NC(=O)N3Cc4ccc(C#N)cc4C3)cc2)CC1
InChIKey: GVQAQAQWLYPYPW-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 = 1.51 nM (pChEMBL 8.819999694824219)
Descriptors: MW 430.51, ALogP 3.49, HBA 4, HBD 2, PSA 96.67, QED 0.78
Compound (SMILES): O=C(O)Cn1c2ccccc2c2ccnc(CN(CCCN3CCNCC3)[C@H]3CCCc4cccnc43)c21
InChIKey: DQIXSGCNKIWJOJ-MHZLTWQESA-N
Target: C-X-C chemokine receptor type 4 (SINGLE PROTEIN), Homo sapiens
UniProt: P61073
Assay: Calcium Mobilization Assay: Functional modulation of CXCR4 was determined by calcium mobilization assay using leukemic lymphoid CEM cells, which naturally express high levels of CXCR4. Generally, the assay is carried out as follows: Cells are grown in vitro to confluency. On the day of the assay, cells are removed from the incubator, culture medium removed and replaced with a calcium sensitive dye (Calcium3 assay kit; Molecular Devices, Sunnyvale, Calif.). The cells are allowed to dye load for 45-60 min at 37 °C. in the cell culture incubator and then allowed to equilibrate to room temperature for no more than 15 min before assay. Compound plates were generated containing up to 3% dimethyl sulfoxide in media kept at room temperature. Test compounds were added to the cells at a 1:3 dilution, and calcium mobilization was measured using a Flex Station fluorescence imager (Molecular Devices). This first read was used to determine direct agonist activation of the CXCR4 receptor by the test compounds.
Measurement: IC50 = 135 nM (pChEMBL 6.869999885559082)
Descriptors: MW 512.66, ALogP 3.84, HBA 7, HBD 2, PSA 86.52, QED 0.35
Compound (SMILES): O=C(CC(F)(F)F)N[C@H]1CC[C@H](CCN2CCC(c3noc4cc(F)ccc34)CC2)CC1
InChIKey: PAZGGYGNWVGTBZ-RZDIXWSQSA-N
Target: 5-hydroxytryptamine receptor 2A (SINGLE PROTEIN), Homo sapiens
UniProt: P28223
Assay: Radioligand Binding Assay: Aliquots of membrane preparations were thawed at RT, resuspended in assay buffer (D2, D3: 50 mM Tris-HCl, 120 mM NaCl, 5 mM MgCl2, 1 mM EDTA, 5 mM KCl, 1.5 mM CaCl2, pH=7.4; 5-HT2A: 50 mM Tris-HCl, 10 mM MgCl2, 1 mM EGTA, pH=7.4), homogenized with a Polytron for 20-30 sec at 12,000 rpm and adjusted to a final concentration of approximately 7.5 ug protein/well (D2, D3) and 15 ug protein/well (5-HT2A), respectively.The binding affinity (Ki) of the compounds was determined using radioligand binding. Membranes were incubated in a total volume of 200 ul with a fixed concentration of radioligand (final concentration approximately 0.7 nM [3H]-spiperone for D2, 0.5 nM [3H]-spiperone for D3, and 1.1 nM [3H]-ketanserin for 5-HT2A) and ten concentrations of test compound in ranging between 10 uM-0.1 nM for 1 h at RT. At the end of the incubation, the reaction mixtures were filtered on to unifilter 96-well white microplates with bonded GF/C filters.
Measurement: Ki = 2.782 nM (pChEMBL 8.5600004196167)
Descriptors: MW 455.5, ALogP 5.16, HBA 4, HBD 1, PSA 58.37, QED 0.61
Compound (SMILES): Nc1nc(N)c(-c2c[nH]c3ccccc23)c(C2CC2)n1
InChIKey: KVMGHEGICPHZIT-UHFFFAOYSA-N
Target: Dihydrofolate reductase (SINGLE PROTEIN), Homo sapiens
UniProt: P00374
Assay: Inhibition of recombinant human DHFR expressed in Escherichia coli preincubated for 15 mins followed by addition of DHF as substrate and NADPH measured after 60 mins by resazurin/diaphorase coupled assay
Measurement: IC50 = 2500 nM (pChEMBL 5.599999904632568)
Descriptors: MW 265.32, ALogP 2.67, HBA 4, HBD 3, PSA 93.61, QED 0.66
Compound (SMILES): CN(C)c1ccc(-c2cc(NC3CC3)n3ncc(/C=C4\NC(=O)NC4=O)c3n2)cn1
InChIKey: UDMJTEJFYBAYJS-CHHVJCJISA-N
Target: Casein kinase II subunit beta (SINGLE PROTEIN), Homo sapiens
UniProt: P67870
Assay: Inhibition Assay: 5 uM ATP: Test compounds dissolved and diluted in DMSO (2 μl) were added to a reaction mixture comprising 10 μl of 5× Reaction Buffer (40 mM MOPS pH 7.0, 5 mM EDTA), 10 μl of recombinant human PIM2 solution (4 ng PIM-2 dissolved in dilution buffer (20 mM MOPS pH 7.0; EDTA 1 mM; 5% Glycerol; 0.01% Brij 35; 0.1%; 0.1% 2-mercaptoethanol; 1 mg/ml BSA)) and 8 ul of water. Reactions were initiated by the addition of 10 ul of ATP Solution (49% (15 mM MgCl2; 5 uM ATP) 1% ([γ-33P]ATP: Stock 1 mCi/100 μl; 3000 Ci/mmol (Perkin Elmer)) and 10 ul of substrate peptide solution (RSRSSYPAGT (SEQ ID NO.: 6), dissolved in water at a concentration of 1 mM), Reactions were maintained for 10 min at 30° C. The reactions were quenched with 100 ul of 0.75% Phosphoric acid, then transferred to and filtered through a Phosphocellulose filter plate (Millipore, MSPH-N6B-50). After washing each well 4 times with 0.75% Phosphoric acid, scintillation fluid (20 uL) was added to each well and
Measurement: IC50 = 256.2 nM (pChEMBL 6.590000152587891)
Descriptors: MW 404.43, ALogP 1.61, HBA 8, HBD 3, PSA 116.55, QED 0.44
Compound (SMILES): CCOCCNC(=O)c1cnc(-n2ncc3cc(C#N)cnc32)cc1Nc1cnn(CC(F)F)c1
InChIKey: LXUNUETVEDUWIX-UHFFFAOYSA-N
Target: Interleukin-1 receptor-associated kinase 4 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9NWZ3
Assay: Inhibition Assay: The assays were performed in U-bottom 384-well plates. The final assay volume was 30 L prepared from 15 L additions of enzyme and substrates (fluoresceinated peptide and ATP) and test compounds in assay buffer (20 mM HEPES pH 7.2, 10 mM MgCl2, 0.015% Brij 35 and 4 mM DTT). The reaction was initiated by the combination of IRAK4 with substrates and test compounds. The reaction mixture was incubated at room temperature for 60 min. and terminated by adding 45 μL of 35 mM EDTA to each sample. The reaction mixture was analyzed on the Caliper LABCHIP® 3000 (Caliper, Hopkinton, Mass.) by electrophoretic separation of the fluorescent substrate and phosphorylated product. Inhibition data were calculated by comparison to no enzyme control reactions for 100% inhibition and vehicle-only reactions for 0% inhibition. The final concentrations of reagents in the assays are ATP, 500 μM; FL-IPTSPITTTYFFFKKK peptide 1.5 μM; IRAK4, 0.6 nM; and DMSO, 1.6%.
Measurement: IC50 = 7.1 nM (pChEMBL 8.149999618530273)
Descriptors: MW 481.47, ALogP 2.66, HBA 10, HBD 2, PSA 135.57, QED 0.33
Compound (SMILES): Cc1n[nH]c(C)c1S(=O)(=O)N1CCC(Oc2ccc(Cl)cc2C(F)(F)F)CC1
InChIKey: HCVXGWGKJCDLHW-UHFFFAOYSA-N
Target: Prokineticin receptor 1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q8TCW9
Assay: Biological Assay: Prokineticin receptor 1 (PKR1) antagonists may be functionally assessed by measurement of change in intracellular calcium levels induced by Gq mediated increase in inositol triphosphate (IP3) levels. The ability of a compound to block the intracellular release of calcium mediated by PK1 in RBL2H3 cells expressing human PKR1 receptors is determined as a measure of the compound's antagonist activity in vitro. Approximately 10,000 cells per assay well are seeded in normal culture medium in a 384 well plate (Corning). Twenty-four hours after seeding, the cells are loaded with a calcium sensitive fluorescent dye by replacing the culture medium with assay buffer (1xHanks buffered saline, 25 mM HEPES, 0.1% w/v fatty acid free BSA (bovine serum albumin), pH 7.4) containing 1 mM probenecid and 1x Calcium 5 Reagent (Molecular Devices). Cells are incubated at 37° C. for 1 hour to allow for dye uptake.To test for antagonist activity, test compounds at a final concentration range between 0.32 nM-10 uM (diluted in assay buffer) are added to the assay wells and allowed to incubate for 10 minutes prior to stimulation with PK1. After incubation with test compounds the assay plate is placed in a FLIPR Tetra (Molecular Devices) and PK1 (diluted in assay buffer) is added at the determined EC80 concentration (final). Ligand-dependent changes in intracellular calcium levels are determined by measuring changes in fluorescence of the dye at 525 nM following excitation at 485 nM. Readings from wells that do not contain antagonist enable percentage inhibition curves to be plotted using 4-parameter fit algorithm and IC50 values are calculated for each test compound.
Measurement: IC50 = 210 nM (pChEMBL 6.679999828338623)
Descriptors: MW 437.87, ALogP 3.93, HBA 4, HBD 1, PSA 75.29, QED 0.79
Compound (SMILES): c1cnc2ccc(-n3cnc4cnc5cnc(-c6ccsc6)cc5c43)cc2c1
InChIKey: NTHOVVGBWASJDT-UHFFFAOYSA-N
Target: Mitogen-activated protein kinase kinase kinase 8 (SINGLE PROTEIN), Homo sapiens
UniProt: P41279
Assay: Inhibition of human COT (66 to 395 residues) expressed in Sf21 cells using 5-Fluo-Ahx-AGAGSGQLIDSNleANSFVGTR-NH2 as substrate after 60 mins by caliper microfluidic mobility shift assay
Measurement: IC50 = 20 nM (pChEMBL 7.699999809265137)
Descriptors: MW 379.45, ALogP 5.25, HBA 6, HBD 0, PSA 56.49, QED 0.41
Compound (SMILES): COc1cc(N)c(Cl)cc1C(=O)NCC1CCN(Cc2ncc[nH]2)CC1
InChIKey: JANPLEIOOUTRAY-UHFFFAOYSA-N
Target: 5-hydroxytryptamine receptor 4 (SINGLE PROTEIN), Homo sapiens
UniProt: Q13639
Assay: Binding Assay: The binding affinity of the compounds for a human 5-HT4 receptor was assayed according to the method as disclosed in the literature [Wyngaert et al., Journal of Neurochemistry, (1997) 69, 1810-1819]. For this purpose, COS-7 cells expressing the human 5-HT4 receptor were constructed and homogenized to obtain membrane homogenates which were then used in binding assay experiments. For the binding assay, the membrane homogenates were respectively mixed and incubated with different concentrations of test materials and [H3]-GR113808 (Amersham Biosciences). The concentrations of the individual test materials were set to 4 uM, 1 uM, 0.25 uM, and 0.0625 uM, respectively, and the concentration of [H3]-GR113808 was set to 0.595 nM. After the incubation was completed, the reaction products were collected in GF/B glass fiber filters using a Packard cell harvester, and the bound radioactivity was then determined using a liquid cell scintillation counter (Packard TopCount NXT).
Measurement: IC50 = 0.454 nM (pChEMBL 9.34000015258789)
Descriptors: MW 377.88, ALogP 2.3, HBA 5, HBD 3, PSA 96.27, QED 0.67
Compound (SMILES): C[C@H](Nc1cc(C(N)=O)nc(-c2ccnc(Oc3ccc(F)cc3)c2)n1)C(N)=O
InChIKey: RQPYOTMTXMYJJB-JTQLQIEISA-N
Target: Sodium channel protein type 9 subunit alpha (SINGLE PROTEIN), Homo sapiens
UniProt: Q15858
Assay: FLIPR Assay: In vitro assays were performed in a recombinant cell line expressing cDNA encoding the alpha subunit (Nav1.7, SCN9a, PN1, NE) of human Nav1.7 (Accession No. NM002977). The cell line was provided by investigators at Yale University (Cummins et al, J. Neurosci. 18(23): 9607-9619 (1998)). For dominant selection of the Nav1.7-expressing clones, the expression plasmid co-expressed the neomycin resistance gene. The cell line was constructed in the human embryonic kidney cell line, HEK293, under the influence of the CMV major late promoter, and stable clones were selected using limiting dilution cloning and antibiotic selection using the neomycin analogue, G418. Recombinant beta and gamma subunits were not introduced into this cell line. Additional cell lines expressing recombinant Nav1.7 cloned from other species can also be used, alone or in combination with various beta subunits, gamma subunits or chaperones.
Measurement: IC50 > 20000 nM (pChEMBL 4.698999881744385)
Descriptors: MW 396.38, ALogP 1.85, HBA 7, HBD 3, PSA 146.11, QED 0.55
Compound (SMILES): CN1CCOc2cccc(OCC(=O)NCC(O)CN3CCc4ccccc4C3)c21
InChIKey: GYRHDNTZFGYPMR-UHFFFAOYSA-N
Target: PRMT5/MEP50 complex (PROTEIN COMPLEX), Homo sapiens
UniProt: Q9BQA1
Assay: Inhibition of recombinant human fetal brain FLAG-tagged PRMT5/full length human testis 6His-tagged MEP50 expressed in baculovirus infected insect Sf9 cells using human histone H4 (1 to 15 residues) as substrate preincubated for 30 mins followed by [3H]-SAM addition
Measurement: IC50 < 100 nM (pChEMBL 7)
Descriptors: MW 411.5, ALogP 1.43, HBA 6, HBD 2, PSA 74.27, QED 0.72
Compound (SMILES): CC[C@H](CN1CC[C@H](CNC(=O)c2ccc3cc(Cl)ccc3c2)N[C@H](CCN2CCCC2)C1=O)c1ccccc1
InChIKey: QLTRQRZCYZZHLF-RYHYHUEASA-N
Target: Melanocortin receptor 5 (SINGLE PROTEIN), Homo sapiens
UniProt: P33032
Assay: Radioligand Binding Assay: Assessments of compound binding to human MC5R (hMC5R)) by displacement of an 125I-labeled NDP-MSH receptor ligand peptide were performed essentially as described in the data sheets produced by Perkin Elmer to accompany their frozen hMC5R membranes (Perkin Elmer catalog number RBXMC5M400UA). [125I] NDP-MSH: Radiolabeled in House and Purified by HPLC: Na125I (0.5 mCi, 17.4 Ci/mg) was added to 50 μL sodium phosphate (50 mM, pH 7.4) in an eppendorf tube precoated with IODOGEN. After incubation for 10 mins the phosphate buffer containing the iodine was added to NDP-MSH (10 μl at 1 mg/mL) in a separate eppendorf tube. This was incubated for a further 10 mins. The iodinated NDP-MSH was purified by HPLC on a Zorbax SB 300 column using solvent A: 0.05% TFA and solvent B: 90% acetonitrile 0.045% TFA with a linear gradient, 0-67% B over 60 mins. The 125I NDP-MSH eluted at 52 mins after the unlabeled starting material (48 min) and was counted and stored in the freezer. It was used within 48 hrs, as radioactive decay and ligand decomposition resulted in greatly reduced specific binding observed after 72 hrs. Incubation buffer: 25 mM HEPES-KOH (pH 7.0), 1.5 mM CaCl2, 1 mM MgSO4, 0.1 M NaCl, 1 mM 1,10-phenanthroline, and 1 Complete™ protease inhibitor tablet/100 mL (Roche, catalog number 1873580). Perkin Elmer frozen hMC5 membranes: catalog number RBXMC5M400UA, 0.4 mL/vial; 400 microassays/vial, 0.78 mg/mL protein concentration. Vials of frozen membranes were thawed rapidly immediately before use, diluted with binding buffer and vortexed. Resuspended membranes were kept on ice until they were added to the wells of the plate. Assays were performed in 96 well polypropylene plates. Membranes (0.78 μg 40 μL of a 1:40 dilution in incubation buffer) were added to [125I] NDP-MSH (0.84 nM; 2200 Ci/mmol) and test compounds in a total volume of 140 μL. This was incubated for 1 hr at 37° C. Non-specific binding was determined with 3 mM NDP-MSH. Plates were filtered using a Tomtec cell harvester with GF/A filters (Wallac) (presoaked in 0.6% polyethylenimine) and washed three times with 1.0 mL ice-cold wash buffer (the above incubation buffer without 1,10-phenanthroline and Complete™ protease inhibitor tablet). The filters were dried in a 37° C. oven, placed in a sample bag and 5 mL Betaplatescint (Wallac) was added. Prepared filters were counted in cassettes in a Microbeta Trilux (Wallac) for 1 min.
Measurement: IC50 < 10 nM (pChEMBL 8)
Descriptors: MW 561.17, ALogP 5.46, HBA 4, HBD 2, PSA 64.68, QED 0.35
Compound (SMILES): O=C(Nc1ccc(Cl)c(S(=O)(=O)CC2CCNC2)c1O)Nc1cccc(F)c1Cl
InChIKey: JPXNTZIAFODILH-UHFFFAOYSA-N
Target: C-X-C chemokine receptor type 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P25024
Assay: Displacement of [125I]IL8 from recombinant human CXCR1 expressed in CHO cell membranes measured after 1 hr by TopCount scintillation counting method
Measurement: IC50 < 30000 nM (pChEMBL 4.5229997634887695)
Descriptors: MW 462.33, ALogP 3.87, HBA 5, HBD 4, PSA 107.53, QED 0.51
Compound (SMILES): CCCCN1C(=O)C2(N=C1N)c1cc(C#CC3CC3)ccc1CC21CCC(OC)CC1
InChIKey: BHXRYWXBRTUUAF-UHFFFAOYSA-N
Target: Beta-secretase 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P56817
Assay: BACE Enzyme Assay (Ex.435): For each compound being tested, the BACE activity was monitored in a fluorescence quenching assay (FRET) using the ectodomain of BACE (aa 1-454) fused to a myc-his tag and secreted from HEK293/BACEect. cells into OptiMEM (Invitrogen) as enzyme source and a substrate peptide derived from the APP-Swedish mutation which possesses a Cy3-fluorophore at the N-terminus and a Cy5Q-quencher at the C-terminus (Cy3-SEVNLDAEFK-Cy5Q-NH2; Amersham). The substrate was dissolved at 1 mg/mL in DMSO.The assay was performed in the presence of 5 ul OptiMEM (supernatant collected over 24 hours and cleared from cellular debris by centrifugation) containing the ectodomain of BACE, 25 ul water containing the desired concentration of test compound and 1% DMSO, substrate peptide, 20 mM NaOAc, pH 4.4 and 0.04% Triton-X100 in a total assay volume of 50 ul in a 384 well plate. In general, 25 ul of compound dilution were given to the plate followed by the addition of 10 ul of BACE.
Measurement: IC50 = 7.1 nM (pChEMBL 8.149999618530273)
Descriptors: MW 419.57, ALogP 3.73, HBA 4, HBD 1, PSA 67.92, QED 0.76
Compound (SMILES): CC(C)c1ccc(-c2n[nH]c3ccc(-c4nnn[nH]4)cc23)cc1
InChIKey: NUCQXDSBQVZGAR-UHFFFAOYSA-N
Target: Mitogen-activated protein kinase 9 (SINGLE PROTEIN), Homo sapiens
UniProt: P45984
Assay: Inhibition of His6-tagged JNK2 (unknown origin) assessed as reduction in c-Jun phosphorylation using GST-c-Jun (1 to 79 residues) and [gamma32P]ATP incubated for 1 hr by scintillation counting assay
Measurement: IC50 <= 1000 nM (pChEMBL 6)
Descriptors: MW 304.36, ALogP 3.53, HBA 4, HBD 2, PSA 83.14, QED 0.61
Compound (SMILES): N#Cc1cccc(-c2c[nH]c3ncnc(N4CCC(F)(F)CC4)c23)c1
InChIKey: QSSCZIVWHWTPLQ-UHFFFAOYSA-N
Target: Leucine-rich repeat serine/threonine-protein kinase 2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q5S007
Assay: Lantha Screen Technology Assay: LRRK2 kinase activity was measured using Lantha Screen technology from Invitrogen. GST-tagged truncated LRRK2 from Invitrogen (Cat # PV4874) was incubated with a fluorescein-labeled peptide substrate based upon ezrin/radixin/moesin (ERM), also known as LRRKtide (Invitrogen cat #PR8976A), in the presence of a dose response of compound. Upon completion, the assay was stopped and detected with a terbium labeled anti-phospho-ERM antibody (Invitrogen, cat #PR8975A). The assay was carried out under the following protocol: 3 uL of a working solution of substrate (233 nM LRRKtide, 117 uM ATP) prepared in assay buffer (50 mM HEEPES, pH 7.5, 3 mM MgCl2, with 2 mM DTT and 0.01% Brij35 added fresh) was added to a low volume Greiner 384-well plate. The compound dose response was prepared by diluting compound to a top concentration of 3.16 mM in 100% DMSO and serial diluted by half-log in DMSO 11 times. Aliquots (3.5 uL) of the 100% DMSO dose response were mixed with 46.5 uL water.
Measurement: IC50 = 67 nM (pChEMBL 7.170000076293945)
Descriptors: MW 339.35, ALogP 3.73, HBA 4, HBD 1, PSA 68.6, QED 0.77
Compound (SMILES): COc1ccc(NC(=O)c2ccc(Oc3ccc(F)cc3F)c(-c3cn(C)c(=O)c4[nH]ccc34)c2)c(OC)n1
InChIKey: GSNNQCHBLXCNLH-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 = 2300 nM (pChEMBL 5.639999866485596)
Descriptors: MW 532.5, ALogP 5.27, HBA 7, HBD 2, PSA 107.47, QED 0.3
Compound (SMILES): CNC(=O)C[C@H]1CC[C@H](NC(=O)c2cnc(-n3ncc4cc(C#N)cnc43)cc2NC(C)C)CC1
InChIKey: BJUQGAVDBCWOMD-RUCARUNLSA-N
Target: Interleukin-1 receptor-associated kinase 4 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9NWZ3
Assay: Inhibition Assay: The assays were performed in U-bottom 384-well plates. The final assay volume was 30 L prepared from 15 L additions of enzyme and substrates (fluoresceinated peptide and ATP) and test compounds in assay buffer (20 mM HEPES pH 7.2, 10 mM MgCl2, 0.015% Brij 35 and 4 mM DTT). The reaction was initiated by the combination of IRAK4 with substrates and test compounds. The reaction mixture was incubated at room temperature for 60 min. and terminated by adding 45 μL of 35 mM EDTA to each sample. The reaction mixture was analyzed on the Caliper LABCHIP® 3000 (Caliper, Hopkinton, Mass.) by electrophoretic separation of the fluorescent substrate and phosphorylated product. Inhibition data were calculated by comparison to no enzyme control reactions for 100% inhibition and vehicle-only reactions for 0% inhibition. The final concentrations of reagents in the assays are ATP, 500 μM; FL-IPTSPITTTYFFFKKK peptide 1.5 μM; IRAK4, 0.6 nM; and DMSO, 1.6%.
Measurement: IC50 = 19.5 nM (pChEMBL 7.710000038146973)
Descriptors: MW 474.57, ALogP 2.93, HBA 8, HBD 3, PSA 137.62, QED 0.48
Compound (SMILES): N#Cc1ccc(C2C3=C(CCC3=O)N(c3cccc(C(F)(F)F)c3)C(=O)N2C(=O)N[C@H]2CCOC2)cc1
InChIKey: VLOJHNJVGXIWPB-XNUZUHMRSA-N
Target: Neutrophil elastase (SINGLE PROTEIN), Homo sapiens
UniProt: P08246
Assay: Neutrophil Elastase Assay: Materials: Human neutrophil elastase was purchased from Calbiochem (Cat. No.: 324681) and the elastase substrate MeOSuc-Ala-Ala-Pro-Val-AMC from Bachem (Cat. No.: I-1270). All other materials were of the highest grade commercially available. The following buffers were used: Compound buffer: 100 mM Tris, 500 mM NaCl, adjusted to pH 7.5; Assay buffer: 100 mM Tris, 500 mM NaCl, adjusted to pH 7.5, containing 0.01% BSA. Assay conditions: Test compounds were prediluted in DMSO and subsequently in compound buffer (5% DMSO final). 5 uL of these compound dilutions were mixed with 10 ul Neutrophil elastase (9 ng/ml in assay buffer) in a black 384 well OptiPlate (Perkin Elmer, Cat No.: 6007270) and incubated for 15 min at room temperature. Subsequently 10 uL substrate solution in assay buffer were added (250 uM final concentration) and the plates were incubated for 60 min at room temperature. After inactivation of the enzyme, fluorescence intensities were measured at 380 nm excitation and 460 nm emission wavelengths. Each plate contains wells with a high value control (DMSO+enzyme+substrate) and wells with a low value control (DMSO+inactivated enzyme+substrate). IC50 values were estimated using a sigmoidal concentration response curve with variable slope.
Measurement: IC50 < 1 nM (pChEMBL 9)
Descriptors: MW 510.47, ALogP 4.68, HBA 5, HBD 1, PSA 102.74, QED 0.65
Compound (SMILES): Fc1cccc(F)c1C1CCN(Cc2ccn3c(CC4CC4)nnc3c2C(F)(F)F)CC1
InChIKey: FGGGMFHQRRVFJH-UHFFFAOYSA-N
Target: Metabotropic glutamate receptor 2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q14416
Assay: Positive allosteric modulation of human mGlu2 receptor expressed in CHO cell membranes assessed as potentiation of glutamate-induced effect incubated for 30 mins prior to [35S]GTPgamma addition measured after 30 mins by scintillation counting method
Measurement: EC50 = 9.7 nM (pChEMBL 8.010000228881836)
Descriptors: MW 450.46, ALogP 5.36, HBA 4, HBD 0, PSA 33.43, QED 0.49
Compound (SMILES): CCc1nn(Cc2ccc(-c3nc4cc(F)ccc4[nH]3)cc2F)c(CC)c1CC(=O)O
InChIKey: BIBYXJSLJHQZBC-UHFFFAOYSA-N
Target: Prostaglandin D2 receptor 2 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9Y5Y4
Assay: Radioligand Binding Assay: The CRTH2 receptor binding assay is performed in a scintillation proximity assay (SPA) format with the radioligand [3H]-PGD2 (Perkin Elmer, NET616000MC). CHO-K1-hCRTH2 cell membranes are again homogenized by passing through a single use needle (Terumo, 23G) and diluted in SPA incubation buffer in suitable concentrations (0.5-10 ug protein/well). The SPA assay is set up in 96 well microtiter plates (Perkin Elmer, CatNo. 6005040) in SPA incubation buffer with a final volume of 200 ul per well and final concentration of 50 mM Tris-HCl, 10 mM MgCl2, 150 mM NaCl, 1 mM EDTA pH 7.4, 0.1% bovine serum albumin). The SPA assay mixture contains 60 ul of the membrane suspension, 80 ul of Wheat Germ Agglutinin coated PVT beads (GE Healthcare, RPNQ-0001, 0.3 mg/well), 40 ul of [3H]-PGD2 diluted in SPA buffer to a final concentration of 1 nM (50 000 dpm) and 20 ul of the test compound (dissolved in dimethylsulfoxid).
Measurement: Ki = 1 nM (pChEMBL 9)
Descriptors: MW 424.45, ALogP 4.5, HBA 4, HBD 2, PSA 83.8, QED 0.46
Compound (SMILES): COc1ccnc(OC)c1C1CCCC(=O)N1Cc1cccc(-c2ccccn2)c1
InChIKey: GRLYJPKNGJXFNF-UHFFFAOYSA-N
Target: Orexin/Hypocretin receptor type 1 (SINGLE PROTEIN), Homo sapiens
UniProt: O43613
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 403.48, ALogP 4.41, HBA 5, HBD 0, PSA 64.55, QED 0.61
Compound (SMILES): CCn1cc(C)c2cnc(NC(=O)c3ccc([C@@](C)(O)CO)cc3)cc21
InChIKey: FMRRDKHCBMCCHR-FQEVSTJZSA-N
Target: Mitogen-activated protein kinase kinase kinase 5 (SINGLE PROTEIN), Homo sapiens
UniProt: Q99683
Assay: Scintillation Assay: The test compounds (2.5 μL) dissolved in DMSO were added to wells containing 37.5 μL of the reaction solution (25 mM HEPES (pH 7.5), 10 mM magnesium acetate, 1 mM DTT) including 30 ng of active ASK1 protein and 1 μg of myelin basic protein (Wako), and incubated at room temperature for 5 min. To start the reaction, 10 μL of ATP solution (2.5 μM ATP, 0.1 μCi [γ-32P]ATP) was added to wells. After incubating at room temperature for 30 min, the reaction was terminated by adding 50 μL of 20% TCA solution. The reaction solution was incubated at 4° C. for 30 min and an acid-insoluble fraction was transferred onto a GF/C filter (Packard) with Cell Harvester (Packard), and washed with 250 mM phosphoric acid. After drying at 45° C. for 60 min., 40 μL of Microscint 0 (Packard) was added and the radioactivity was measured with TopCount (Packard).
Measurement: IC50 = 14 nM (pChEMBL 7.849999904632568)
Descriptors: MW 353.42, ALogP 2.82, HBA 5, HBD 3, PSA 87.38, QED 0.66
Compound (SMILES): O=C(Nc1ccc([C@@H]2CNCCO2)cc1)c1ccc(Cl)cc1F
InChIKey: SPNPZNALXUUIRV-INIZCTEOSA-N
Target: Trace amine-associated receptor 1 (SINGLE PROTEIN), Mus musculus
UniProt: Q923Y8
Assay: Radioligand Binding Assay: HEK-293 cells stably expressing mouse TAAR1 were maintained at 37° C. and 5% CO2 in DMEM high glucose medium, containing fetal calf serum (10%, heat inactivated for 30 min at 56° C.), penicillin/streptomycin (1%), and 375 ug/ml geneticin (Gibco). Cells were released from culture flasks using trypsin/EDTA, harvested, washed twice with ice-cold PBS (without Ca2+ and Mg2+), pelleted at 1,000 rpm for 5 min at 4° C., frozen and stored at -80° C. Frozen pellets were suspended in 20 ml HEPES-NaOH (20 mM, pH 7.4) containing 10 mM EDTA and homogenized with a Polytron (PT 6000, Kinematica) at 14,000 rpm for 20 s. The homogenate was centrifuged at 48,000Ã¿g for 30 min at 4° C. Subsequently, the supernatant was removed and discarded, and the pellet resuspended in 20 ml HEPES-NaOH (20 mM, pH 7.4) containing 0.1 mM EDTA using the Polytron (20 s at 14,000 rpm). This procedure was repeated and the final pellet resuspended in HEPES-NaOH containing 0.1 mM EDTA and homogenized using the Polytron. Typically, aliquots of 2 ml membrane portions were stored at -80° C. With each new membrane batch the dissociation constant (Kd) was determined via a saturation curve. The TAAR1 radioligand 3[H]â¿¿(S)-4-[(ethyl-phenyl-amino)-methyl]-4,5-dihydro-oxazol-2-ylamine (described in WO 2008/098857) was used at a concentration equal to the calculated Kd value, that was usually around 2.3 nM, resulting in the binding of approximately 0.2% of the radioligand and a specific binding representing approximately 85% of the total binding. Nonspecific binding was defined as the amount of 3[H]â¿¿(S)-4-[(ethyl-phenyl-amino)-methyl]-4,5-dihydro-oxazol-2-ylamine bound in the presence of 10 uM unlabeled ligand. All compounds were tested at a broad range of concentrations (10 pM to 10 uM) in duplicates. The test compounds (20 ul/well) were transferred into a 96 deep well plate (TreffLab), and 180 ul of HEPES-NaOH (20 mM, pH 7.4) containing MgCl2 (10 mM) and CaCl2 (2 mM) (binding buffer), 300 ul of the radioligand 3[H]â¿¿(S)-4-[(ethyl-phenyl-amino)-methyl]-4,5-dihydro-oxazol-2-ylamine at a concentration of 3.3xKd in nM and 500 ul of the membranes (resuspended at 50 ug protein per ml) added. The 96 deep well plates were incubated for 1 hr at 4° C. Incubations were terminated by rapid filtration through Unifilter-96 plates (Packard Instrument Company) and glass filters GF/C (Perkin Elmer) presoaked for 1 hr in polyethylenimine (0.3%) and washed 3 times with 1 ml of cold binding buffer. After addition of 45 ul of Microscint 40 (PerkinElmer) the Unifilter-96 plate was sealed and after 1 hr the ratioactivity counted using a TopCount Microplate Scintillation Counter (Packard Instrument Company).
Measurement: Ki = 21.8 nM (pChEMBL 7.659999847412109)
Descriptors: MW 334.78, ALogP 3.39, HBA 3, HBD 2, PSA 50.36, QED 0.9
Compound (SMILES): CN(c1ncnc2[nH]c(-c3cccc4ccccc34)nc12)[C@@H]1C[C@@H](COS(N)(=O)=O)[C@@H](O)C1
InChIKey: UVZLFPGKCNIAIR-DAYGRLMNSA-N
Target: NEDD8 activating enzyme (PROTEIN COMPLEX), Homo sapiens
UniProt: Q13564
Assay: Inhibition of recombinant human NAEalpha/N-terminal His-tagged NAEbeta expressed in baculovirus infected insect Sf9 cells using N-terminal FLAG tagged Nedd8 as substrate incubated for 105 mins in presence of N-terminal GST-tagged Ubc12 by FRET assay
Measurement: IC50 <= 500 nM (pChEMBL 6.301000118255615)
Descriptors: MW 468.54, ALogP 1.97, HBA 8, HBD 3, PSA 147.32, QED 0.39
Compound (SMILES): O=C(c1ccc(O)nc1)N1CCN(C(=O)c2cc(Cc3n[nH]c(=O)c4c3NCCC4)ccc2F)CC1
InChIKey: AZVCICSZBIIIMC-UHFFFAOYSA-N
Target: Poly [ADP-ribose] polymerase 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P09874
Assay: PARP Enzyme Inhibition Assay: PARP1 assay was conducted in PARP assay buffer containing 50 mM Tris pH 8.0, 1 mM DTT, 4 mM MgCl2. PARP reactions contained 1.5 uM [3H]-NAD+ (1.6 uCi/mmol), 200 nM biotinylated histone H1, 200 nM sIDNA, and 1 nM PARP enzyme. Auto reactions utilizing SPA bead-based detection were carried out in 100 uL volumes in white 96 well plates. Reactions were initiated by adding 50 ul of 2xNAD+ substrate mixture to 50 uL of 2x enzyme mixture containing PARP and DNA. These reactions were terminated by the addition of 150 uL of 1.5 mM benzamide (~1000-fold over its IC50). 170 uL of the stopped reaction mixtures were transferred to streptavidin Flash Plates, incubated for 1 hour, and counted using a TopCount microplate scintillation counter.
Measurement: Ki = 0.6 nM (pChEMBL 9.220000267028809)
Descriptors: MW 492.51, ALogP 1.56, HBA 7, HBD 3, PSA 131.52, QED 0.5
Compound (SMILES): CN(C(=O)CC(F)(F)F)[C@@H]1CCN(c2ncnc3[nH]ccc23)C1
InChIKey: SSBLIYCMJPREGD-SECBINFHSA-N
Target: Tyrosine-protein kinase JAK3 (SINGLE PROTEIN), Homo sapiens
UniProt: P52333
Assay: Enzymatic Assay: JAK1/2/3 kinase assay are performed in vitro using Kit-Tyr 6 Peptide (Invitrogen, Cat. No. PV4122). TYK2 kinase assay are performed in vitro using Z'-LYTE™ Kinase Assay Kit-Tyr 3 Peptide (Invitrogen, Cat. No. PV3192). Recombinant human JAK1/2/3 or TYK2 catalytic domains are from Invitrogen (Cat No. PV4774/PV4210/PV3855/PV4790); All reactions (20 μL) are started by adding 2.5 μL of the testing compound in 4% DMSO solution, 5 μL of Kinase/Peptide substrate Mixture (3.2, 0.04, 0.2 or 8 μg/mL for Recombinant human JAK1/2/3 catalytic domains, 4 μM for Z-LYTE™ Tyr 6 peptide or Z-LYTE™ Tyr 3 peptide) or Phospho-Peptide solution (Invitrogen, Cat. No. PV3192, diluted with 1.33× Kinase Buffer), 2.5 μL ATP Solution (300/100/40/100M, JAK1/JAK2/JAK3/TYK2) or 1.33× Kinase Buffer (Invitrogen, Cat. No. PV3189, 5× diluted with distilled water). The 384-well assay plate (Corning, Cat. No. 3575) is mixed and incubated at room temperature for 1 hour. 5 μL of the Development Solution (Dilute Development Reagent A (Cat. No. PV3297) is diluted to 1/64 with Development Buffer (Cat. No. PV3127) for JAK1, JAK2 and JAK3 assay; Development Reagent A (Cat. No. PV3297) is diluted to 1/2048 with Development Buffer (Cat. No. PV3127) for TYK2 assay. The diluted Development Solution is then added to each well, mixed and incubated at room temperature for another 1 hour. The kinase reaction is then stopped by adding 5 μL of the Stop Reagent (Invitrogen, Cat. No. PV3094), and the plate is read with Wallac 1420 VICTOR3 Multilabel Counter (PerkinElmer™) at 445 nm and 520 nm fluorescence. All compounds are initially tested at 8 different concentrations (1 μM down to 0.0003 μM) using a 1:3 serial dilution scheme.
Measurement: IC50 = 0.55 nM (pChEMBL 9.260000228881836)
Descriptors: MW 327.31, ALogP 1.95, HBA 4, HBD 1, PSA 65.12, QED 0.94
Compound (SMILES): Cl.O=C(NC(Cc1ccc2cc(OCCCN3CCNCC3)ccc2c1)C(=O)O)c1ccc(F)cc1
InChIKey: VUAXJQHKDCCVBC-UHFFFAOYSA-N
Target: Integrin alpha-IIb/beta-3 (PROTEIN COMPLEX), Homo sapiens
UniProt: P08514
Assay: Antagonist activity at GP2b/GP3a receptor in human platelet rich plasma assessed as inhibition of ADP-induced platelet aggregation preincubated for 1 min followed by ADP addition by aggregometric method
Measurement: IC50 = 7600 nM (pChEMBL 5.119999885559082)
Descriptors: MW 479.55, ALogP 3.08, HBA 5, HBD 3, PSA 90.9, QED 0.39
Compound (SMILES): COc1ccccc1C(=O)N[C@H]1CC[C@H](N2C(=O)OC(C)(C)[C@@H]2c2ccccc2)CC1
InChIKey: WJPCWCNDYQLQNT-IPJJNNNSSA-N
Target: Poly [ADP-ribose] polymerase tankyrase-1 (SINGLE PROTEIN), Homo sapiens
UniProt: O95271
Assay: Tankyrase Biochemical Assays: The tankyrase 1 biochemical activity of the compounds was assayed in the following assay buffer (50 mM MOPS pH7.5, 100 mM NaCl, 2.5 mM MgCl2, 0.01% Tween-20, 0.05% BSA, and 1 mM DTT) as follows: 0.25 nM of 6×HIS-tankyrase 1 (1091-1325) was incubated in the presence of compound (DMSO 1.85% final) in a Perkin Elmer 384 well Proxiplate Plus™ (cat. no. 6008289) with 400 nM of NAD for 60 minutes at room temperature. The assay was then stopped with the above assay buffer containing a 0.6 M inhibitor and the following detection components: 0.05 g/mL monoclonal anti-PAR antibody (Trevigen cat. no. 4335-MC-01K-AC) prebound for 60 minutes with 0.63 μg/mL protein G AlphaLisa® acceptor bead (Perkin Elmer cat. no. AL102M) and 5 μg/mL AlphaLisa® nickel chelate donor bead (Perkin Elmer cat. no. AS101M). The assay was incubated for 16 hours at room temperature in the dark and read on a Perkin Elmer Envision® multi label reader using the default program set with laser excitation at 680 nM and emission at 615 nM. The tankyrase 2 biochemical assay was performed using the procedure set forth above with respect to tankyrase 1 except that 4 nM 6×HIS-tankyrase 2 (946-1162) and 250 nM NAD were used.
Measurement: IC50 = 220 nM (pChEMBL 6.659999847412109)
Descriptors: MW 422.53, ALogP 4.71, HBA 4, HBD 1, PSA 67.87, QED 0.76
Compound (SMILES): COc1ccc2[nH]c(C(=O)NCCCCCC(=O)Nc3ccccc3N)cc2c1
InChIKey: SIHZRZORGPIAHW-UHFFFAOYSA-N
Target: Histone deacetylase 1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q13547
Assay: HDAC enzyme inhibitionAssay: HDAC enzyme inhibition assays were performed using purified HDACs 1-10 essentially as described in Beckers et al., 2007, Int. J. Cancer., 121:1138-48 and Perez-Balado et al., 2007, J. Med. Chem., 50:2497-2505. Inhibition assays using nuclear extract were performed essentially as described in Herman et al., 2006, Nat. Chem. Biol., 2:551-558. Briefly, the purified HDACs or nuclear extract were incubated with an acetylated substrate in the absence of the compound to be assayed and with increasing concentrations of the compound. The rate of substrate deacetylation was measured under each condition, and half-maximal inhibitory concentration with regard to each HDAC was determined by standard means.
Measurement: IC50 = 258 nM (pChEMBL 6.590000152587891)
Descriptors: MW 394.48, ALogP 3.69, HBA 4, HBD 4, PSA 109.24, QED 0.33