lovingscience/chembl-v37-raw-activities huggingface dataset:
Compound (SMILES): CO[C@@H]1CN(c2cc(NC(=O)Cn3cc(-c4cc(Cl)c(O)c(C(N)=O)c4)c4c(=O)n(C)c(C(F)(F)F)nc43)c(Cl)cn2)C[C@@H]1F
InChIKey: DCLWDZWHPVUPGZ-FUHWJXTLSA-N
Target: N-formyl peptide receptor 2 (SINGLE PROTEIN), Homo sapiens
UniProt: P25090
Assay: Surface Plasmon Resonance (SPR) Assay: SPR studies were performed using a Biacore™ T200 instrument (GE Health Sciences Inc.). The BCL6 BTB protein used in the FP assay was biotinylated using the site specific biotinylating enzyme BirA, and then cleaved with TEV protease to produce the BCL6 BTB domain (biotin-thrombin-BCL6 amino acids 1-129; 17 kd) that were use in SPR. This protein was stably captured (1000RU) to streptavidin coupled SA chips (BR-1005-31, GE Health Sciences Inc.) according to the manufacture's protocol. Compounds were dissolved in 100% DMSO at 10 mM and 2-fold serial dilutions were done in 100% DMSO. For SPR analysis the serially titrated compounds were diluted 1/20 into buffer (10 mM HEPES pH7.4, 150 mM NaCl, 0.05% Tween-20, 3 mM EDTA) giving a final concentration of 5% DMSO. The Biacore flow rate was set at 100 ul/min. For KD determinations, single cycle kinetic analysis was performed with an on time of 60 seconds, and an off time of 300 seconds. Curve fitting and KD calculations were done with the Biacore T200 Evaluation software (GE Health Sciences Inc).
Measurement: Kd = 153 nM (pChEMBL 6.820000171661377)
Descriptors: MW 672.42, ALogP 3.74, HBA 10, HBD 3, PSA 157.6, QED 0.25
Compound (SMILES): N#Cc1cncc2nc(C3CC(C(=O)O)C3)n(CCOc3ccc(Cl)cc3)c(=O)c12
InChIKey: IKCPZLSRVFMGAP-UHFFFAOYSA-N
Target: Eukaryotic translation initiation factor 4E-binding protein 1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q13541
Assay: Fluorescence Polarization Assay: eIF4E protein was pre-incubated with EDA-m7GDP-ATTO-550 in FPB at 2xconcentrations for 5 minutes prior to the addition of compounds. Compounds (100x) were prepared using 3-fold serial dilutions in 100% DMSO, and subsequently diluted 1:50 in FPB to produce 2x stocks. 50 ul of 2x eIF4E/EDA-m7GDP-ATTO-550 were transferred to the wells of a 96-well half-area black flat bottom polystyrene plate. 50 ul of 2x test compound were added, and binding reactions were allowed to equilibrate for 30 minutes at room temperature while protected from light. The fluorescent polarization signal was detected using a Victor 2 multi-label counter (Perkin Elmer) and the concentration necessary to achieve inhibition of eIF4E/EDA-m7GDP-ATTO-550 binding by 50% (IC50) was calculated using data from an 8-point compound dilution series.
Measurement: IC50 = 1050 nM (pChEMBL 5.980000019073486)
Descriptors: MW 424.84, ALogP 2.97, HBA 7, HBD 1, PSA 118.1, QED 0.65
Compound (SMILES): CNC(=O)[C@@H]1CN(Cc2cnc(Oc3ccc(F)cc3)nc2)CCO1
InChIKey: SAKGRVDYLIDXSN-HNNXBMFYSA-N
Target: Glutamate receptor ionotropic, NMDA 2B (SINGLE PROTEIN), Homo sapiens
UniProt: Q13224
Assay: FLIPR Assay: At the assay day cells were washed 3× with assay buffer (as described above), 10 μL buffer remained in the wells after washing. 10 μL Ca kit loading buffer (AAT Bioquest; prepared from the kit containing the following components: Component A: Fluo-8 NW dissolved in 200 μL DMSO and 20 μl of this solution are mixed with 10 ml buffer prepared out of component B and C, Component B: 10× Pluronic® F127 Plus diluted 1:10 in component C, Component C: HHBS (Hanks with 20 mM Hepes) was added to the cells and the plates were incubated with lid for 60 minutes at room temperature. 20 μl assay buffer containing 60 μM glycine (20 μM final) and 3 μM glutamate (1 μM final) was added to column 1-23, column 24 got assay buffer without glycine/glutamate to serve as negative unstimulated control. Fluorescence (indicating the calcium influx as a result of the NR1/NR2B ion channel activation) was read on the FLIPRtetra device for 60 seconds to monitor the glutamate induced effects. After 2 minutes 20 μL of compound dilution prepared as described above or controls (row 1-22) in assay buffer were carefully added to the wells.
Measurement: IC50 = 547 nM (pChEMBL 6.260000228881836)
Descriptors: MW 346.36, ALogP 1.35, HBA 6, HBD 1, PSA 76.58, QED 0.88
Compound (SMILES): Cc1c(C(N)=O)sc2ncn(Cc3nnn(C[C@H](O)c4ccc(Cl)cc4)n3)c(=O)c12
InChIKey: DTPJIPPQGPABTK-LBPRGKRZSA-N
Target: Transient receptor potential cation channel subfamily A member 1 (SINGLE PROTEIN), Homo sapiens
UniProt: O75762
Assay: Filpr Assay: At the assay day cells were washed 3× with assay puffer, 20 μL buffer remained in the wells after washing. 10 μL Ca6 kit (Cat. R8191 Molecular Devices) loading buffer in HBSS/HEPES was added to the cells and the plates were incubated with lid for 120 minutes at 3775% CO2. 10 μL of compound or controls in HBSS/HEPES buffer/5% DMSO from the intermediate dilution plate were carefully added to the wells. Luminescence (indicating the calcium influx or release) was read on the FLIPR tetra device for 10 minutes to monitor the compound induced effects (e.g. agonism). Finally, 10 μL of the agonist AITC 50 μM dissolved in HBSS/HEPES buffer/0.05% DMSO (final concentration 10 μM) was added to the wells followed by an additional read on the FLIPR tetra device for 10 minutes. The area under the signal curve (AUC) after AITC addition was used for IC50/% inhibition calculations.
Measurement: IC50 = 11 nM (pChEMBL 7.960000038146973)
Descriptors: MW 445.89, ALogP 1.29, HBA 10, HBD 2, PSA 141.81, QED 0.45
Compound (SMILES): COc1cc(C(=O)N2CCC[C@@H](N)C2)cc2nc(-c3ccc(Cc4ccccc4)n3CC3CC3)n(C)c12
InChIKey: MRKNBRVMHHBQDH-HSZRJFAPSA-N
Target: Protein-arginine deiminase type-4 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9UM07
Assay: Biological Assay (RFMS): Compounds were solubilised in 100% DMSO to achieve 100 mM final compound concentration. Compound stock solutions were stored at RT. A series of dilutions were prepared in DMSO and mixed 8 times with 20 μL mixing volume. Final assay conditions were as follows:    Reaction volume: 20 μl    Assay buffer (as aforementioned): 100 mM Tris-HCl (pH 7.6), 2 mM DTT, 1 mM CaCl2)    Final concentrations:      −100 nM hPAD4 enzyme      −50 μM (8-fold sub-Km) substrate peptide      −0.5% DMSO    Total incubation time: 65 mins at 37° C.    Stop solution: 40 μl 5% TCA in ACN0.25 μL of compound solution was added to 10 μL of 200 nM PAD4 in assay buffer (100 mM Tris-HCl pH 7.6, 2 mM DTT). After 5 mins, 10 μL of 100 μM of substrate in buffer (100 mM Tris-HCl pH 7.6, 2 mM DTT, 2 mM CaCl2)) was added and the reaction incubated for 60 mins at 37° C. The enzymatic reaction was quenched by addition of 40 μl of 5% TCA in ACN (1.7% TCA final concentration) stop solution. Citrulline containing product (+1 Da mass shift) were subjected to solid phase extraction on Agilent RapidFire (RF) 300 system and detected on a coupled, triple quadrupole Agilent 6460 QQQ mass spectrometry (MS) device under application of multiple reaction monitoring (MRM) for quantitation.
Measurement: IC50 < 1000 nM (pChEMBL 6)
Descriptors: MW 497.64, ALogP 4.61, HBA 6, HBD 1, PSA 78.31, QED 0.4
Compound (SMILES): Cn1cnc(S(=O)(=O)N2CC(c3ccccc3)C(C)(Nc3cc(C(F)(F)F)ccn3)C2)c1
InChIKey: LZQUNCGEEXVQGQ-UHFFFAOYSA-N
Target: Alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase (SINGLE PROTEIN), Homo sapiens
UniProt: P26572
Assay: Radioligand Binding Assay: Radioligand binding assays using recombinant CHO cell membranes expressing human GlyT1: Radioligand binding to human GlyT1c transporter-expressing membranes was determined as described in Mezler et al., Molecular Pharmacology 74:1705-1715, 2008.
Measurement: Ki < 100 nM (pChEMBL 7)
Descriptors: MW 465.5, ALogP 3.49, HBA 6, HBD 1, PSA 80.12, QED 0.62
Compound (SMILES): COc1ccc2cc(C(C)C(=O)N[C@H]3CC[C@H](N)CC3)ccc2c1
InChIKey: BBXWRLOGYFMUJP-CFHUSGCBSA-N
Target: Histone-lysine N-methyltransferase SMYD3 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9H7B4
Assay: SMYD3 Biochemical Assay: The assays were all performed in a buffer consisting of 25 mM Tris-Cl pH 8.0, 1 mM TCEP, 0.005% BSG, and 0.005% Tween 20, prepared on the day of use. Compounds in 100% DMSO (1 ul) were spotted into a 384-well white opaque OptiPlate using a Bravo automated liquid handling platform outfitted with a 384-channel head (Agilent Technologies). DMSO (1 ul) was added to Columns 11, 12, 23, 24, rows A-H for the maximum signal control and 1 ul of SAH, a known product and inhibitor of SMYD3, was added to columns 11, 12, 23, 24, rows I-P for the minimum signal control. A cocktail (40 ul) containing the SMYD3 enzyme was added by Multidrop Combi (Thermo-Fisher). The compounds were allowed to incubate with SMYD3 for 30 min at room temperature, then a cocktail (10 ul) containing SAM and MEKK2 was added to initiate the reaction (final volume=51 ul). The final concentrations of the components were as follows: SMYD3 was 0.4 nM, 3H-SAM was 8 nM, MEKK2 was 12 nM, SAH in the minimum signal control wells was 1 mM, and the DMSO concentration was 2%. The assays were stopped by the addition of non-radiolabeled SAM (10 ul) to a final concentration of 100 uM, which dilutes the 3H-SAM to a level where its incorporation into MEKK2 is no longer detectable. Radiolabeled MEKK2 was detected using a scintillation proximity assay (SPA). 10 uL of a 10 mg/mL solution of SPA beads in 0.5 M citric acid was added and the plates centrifuged at 600 rpm for 1 min to precipitate the radiolabeled MEKK2 onto the SPA beads. The plates were then read in a PerkinElmer TopCount plate reader to measure the quantity of 3H-labeled MEKK2 as disintegrations per minute (dpm) or alternatively, referred to as counts per minute (cpm).
Measurement: IC50 = 76380 nM (pChEMBL 4.119999885559082)
Descriptors: MW 326.44, ALogP 3.34, HBA 3, HBD 2, PSA 64.35, QED 0.91
Compound (SMILES): N#CCC1(N2CCC(N[C@@H]3CC3c3ccccc3)CC2)CN(C(=O)c2cn[nH]c2)C1
InChIKey: TYHVLCMAEMDYCP-BPGUCPLFSA-N
Target: Lysine-specific histone demethylase 1A (SINGLE PROTEIN), Homo sapiens
UniProt: O60341
Assay: LSD1 histone demethylase biochemical assay: LANCE LSD1/KDM1A demethylase assay10 μL of 1 nM LSD-1 enzyme (ENZO BML-SE544-0050) in the assay buffer (50 mM Tris, pH 7.5, 0.01% Tween-20, 25 mM NaCl, 5 mM DTT) were preincubated for 1 hour at 25° C. with 0.8 μL compound/DMSO dotted in black 384 well polystyrene plates. Reactions were started by addition of 10 μL of assay buffer containing 0.4 μM Biotin-labeled Histone H3 peptide substrate: ART-K(Me1)-QTARKSTGGKAPRKQLA-GGK(Biotin) SEQ ID NO: 1 (AnaSpec 64355) and incubated for 1 hour at 25° C. Reactions were stopped by addition of 10 μL 1× LANCE Detection Buffer (PerkinElmer CR97-100) supplemented with 1.5 nM Eu-anti-unmodified H3K4 Antibody (PerkinElmer TRF0404), and 225 nM LANCE Ultra Streptavidin (PerkinElmer TRF102) along with 0.9 mM Tranylcypromine-HCl (Millipore 616431). After stopping the reactions plates were incubated for 30 minutes and read on a PHERAstar FS plate reader (BMG Labtech). Compounds having an IC50 of 1 μM or less were considered active.
Measurement: IC50 < 100 nM (pChEMBL 7)
Descriptors: MW 404.52, ALogP 2.13, HBA 5, HBD 2, PSA 88.05, QED 0.77
Compound (SMILES): C[C@@H]1C[C@H](NC(=O)c2cc(C3CC3)on2)CCN1C(=O)c1ccc(OCCN)cc1
InChIKey: UUGUKWGCFDYJQG-RHSMWYFYSA-N
Target: Histone-lysine N-methyltransferase SMYD3 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9H7B4
Assay: SMYD3 Biochemical Assay: The assays were all performed in a buffer consisting of 25 mM Tris-Cl pH 8.0, 1 mM TCEP, 0.005% BSG, and 0.005% Tween 20, prepared on the day of use. Compounds in 100% DMSO (1 ul) were spotted into a 384-well white opaque OptiPlate using a Bravo automated liquid handling platform outfitted with a 384-channel head (Agilent Technologies). DMSO (1 ul) was added to Columns 11, 12, 23, 24, rows A-H for the maximum signal control and 1 ul of SAH, a known product and inhibitor of SMYD3, was added to columns 11, 12, 23, 24, rows I-P for the minimum signal control. A cocktail (40 ul) containing the SMYD3 enzyme was added by Multidrop Combi (Thermo-Fisher). The compounds were allowed to incubate with SMYD3 for 30 min at room temperature, then a cocktail (10 ul) containing SAM and MEKK2 was added to initiate the reaction (final volume=51 ul). The final concentrations of the components were as follows: SMYD3 was 0.4 nM, 3H-SAM was 8 nM, MEKK2 was 12 nM, SAH in the minimum signal control wells was 1 mM, and the DMSO concentration was 2%. The assays were stopped by the addition of non-radiolabeled SAM (10 ul) to a final concentration of 100 uM, which dilutes the 3H-SAM to a level where its incorporation into MEKK2 is no longer detectable. Radiolabeled MEKK2 was detected using a scintillation proximity assay (SPA). 10 uL of a 10 mg/mL solution of SPA beads in 0.5 M citric acid was added and the plates centrifuged at 600 rpm for 1 min to precipitate the radiolabeled MEKK2 onto the SPA beads. The plates were then read in a PerkinElmer TopCount plate reader to measure the quantity of 3H-labeled MEKK2 as disintegrations per minute (dpm) or alternatively, referred to as counts per minute (cpm).% Inhibition Calculation% ⁢ ⁢ inh = 100 - ( dpm cmpd - dpm min dpm max - dpm min ) × 100Where dpm=disintegrations per minute, cmpd=signal in assay well, and min and max are the respective minimum and maximum signal controls.Four-Parameter IC50 FitY = Bottom + ( Top - Bottom ) ( 1 + ( X IC 50 ) Hill ⁢ ⁢ CoefficientWhere top and bottom are the normally allowed to float, but may be fixed at 100 or 0 respectively in a 3-parameter fit. The Hill Coefficient normally allowed to float but may also be fixed at 1 in a 3-parameter fit. Y is the % inhibition and X is the compound concentration.
Measurement: IC50 = 104 nM (pChEMBL 6.980000019073486)
Descriptors: MW 412.49, ALogP 2.31, HBA 6, HBD 2, PSA 110.69, QED 0.72
Compound (SMILES): N#Cc1c(N)nc(N)nc1N[C@H](c1nc2cccc(Cl)c2c(=O)n1CCCNC1CCC(F)(F)CC1)C1CC1
InChIKey: OFMDSJCSRJNWNL-FQEVSTJZSA-N
Target: Phosphatidylinositol 3-kinase regulatory subunit beta (SINGLE PROTEIN), Homo sapiens
UniProt: O00459
Assay: a time-resolved fluorescence resonance energy transfer (TR-FRET) assay: Class I PI3K isoforms were expressed and purified as heterodimeric recombinant proteins. All assay reagents and buffers for the TR-FRET assay were purchased from Millipore. PI3K isoforms were assayed under initial rate conditions in the presence of 25 mM Hepes (pH 7.4), and 2×Km ATP (75-500 μM), 2 μM PIP2, 5% glycerol, 5 mM MgCl2, 50 mM NaCl, 0.05% (v/v) Chaps, 1 mM dithiothreitol, and 1% (v/v) DMSO at the following concentrations for each isoform: PI3Kα, PI3Kβ, and PI3Kδ between 25 and 50 pM, and PI3Kγ at 2 nM. The compounds of Table 1 and Compound X, ((S)-2,4-diamino-6-((1-(5-chloro-4-oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)ethyl)amino)pyrimidine-5-carbonitrile) were added to the assay solution and incubated for 30 minutes at 25° C. The reactions were terminated with a final concentration of 10 mM EDTA, 10 nM labeled-PIP3, and 35 nM Europium labeled GRP-1 detector protein before reading TR-FRET on an Envision plate reader (Ex: 340 nm; Em: 615/665 nm; 100 μs delay and 500 μs read window).The results were normalized based on positive (1 pM wortmanin) and negative (DMSO) controls, and the IC50 values for PI3K α, β, δ, and γ were calculated from the fit of the dose-response curves to a four-parameter equation. These assays generally produced results within 3-fold of the reported mean.
Measurement: IC50 = 4 nM (pChEMBL 8.399999618530273)
Descriptors: MW 558.04, ALogP 4, HBA 10, HBD 4, PSA 160.56, QED 0.28
Compound (SMILES): Cn1c(=O)[nH]c(=O)c2c1nc(Sc1nc3ccccc3[nH]1)n2Cc1nccs1
InChIKey: PSEZKVLBRSZXOK-UHFFFAOYSA-N
Target: Tryptophan 5-hydroxylase 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P17752
Assay: In Vitro Enzyme Activity Assay: These compounds according to the afore-mentioned examples were tested for tryptophan hydroxylase (TPH) inhibitory activity in a fluorescence-based in vitro assay, using recombinant human TPH1 (Swiss-Prot: P17752) and TPH2 (Swiss-Prot: Q8IWU9).The full-length coding sequences of human TPH1 and TPH2 were PCR amplified, ligated into a MBP fusion vector (pMalc2x, New England Biolabs, MA, USA) and transformed into SCS1 (Stratagene, CA, USA) to amplify plasmid DNA. For the overexpression of TPH proteins, the constructs were transformed into Rosetta (DE3) (Novagen®/EMD Millipore, MA, USA) and cultivated in terrific broth (TB) medium (AppliChem, Darmstadt, Germany) at 37° C. When the bacterial cultures reached an ≈2, expression was induced with 0.5 mM IPTG (AppliChem, Darmstadt, Germany) over night at 17° C. The purification of soluble proteins started with sonication-mediated cell disruption in lysis buffer (1×PBS pH 7.4, 0.5 M NaCl, 5% Glycerol+CHAPS, DTT, PMSF, benzonase), followed by affinity purification (MBPTrap, GE Healthcare, UK) and gel filtration (26/60 Superdex 200 prep grade, GE Healthcare, UK), according to the manufacturer's protocol. The quality of protein expression and solubility was controlled by SDS-PAGE and Coomassie blue staining.The enzymatic reaction was carried out in black 96-well flat bottom plates (Corning GmbH, Wiesbaden). TPH1 and TPH2 activities were measured in a reaction mixture containing 50 mM 4-Morpholineethanesulfonic acid (MES), pH 7.0, 40 μM tryptophan, 200 mM ammonium sulfate, 25 μM ferrous ammonium sulfate, 50 μM tetrahydrobiopterin, 25 μg/ml catalase, and 7 mM DTT. The reactions were initiated by adding TPH1 or TPH2 to a final concentration of 5 μg/ml. Initial velocity of the reactions was determined by following the change of fluorescence at 330 nm (excitation wavelength=300 nm) (Infinite M200, Tecan, Crailsheim).TPH1 and TPH2 inhibition was determined by measuring a compound dose response, using a serial dilution of a 5 mM DMSO stock solution. The potency of a given compound was calculated in GraphPad PRISM 6 software (San Diego, USA) with a Nonlinear Regression fit (log(inhibitor) vs. response-variable slope) using the relative fluorescence units (RFU) of the sample triplicates.
Measurement: IC50 = 25150 nM (pChEMBL 4.599999904632568)
Descriptors: MW 411.47, ALogP 1.96, HBA 9, HBD 2, PSA 114.25, QED 0.47
Compound (SMILES): CCN(C)S(=O)(=O)Nc1ccc(F)c(Nc2ccc3ncn(C)c(=O)c3c2C)c1Cl
InChIKey: QRUZRVZBEXOAFX-UHFFFAOYSA-N
Target: Serine/threonine-protein kinase B-raf (SINGLE PROTEIN), Homo sapiens
UniProt: P15056
Assay: BRAF V600E and V600K Enzyme Assay: A competitive displacement assay was configured for B-Raf that monitors the amount of a fluorescently-tagged tracer bound to B-Raf via TR-FRET from an anti-tag Eu-labeled antibody also bound to B-Raf. For full-length FLAG-tagged B-Raf(V600E), the assay mixtures consisted of 25 mM K+HEPES, pH 7.4, 10 mM MgCl2, 0.01% Triton X-100, 1 mM DTT, 2% DMSO (from compound), 50 nM Tracer 1710 (ThermoFisher, PR9176A), 0.5 nM Eu anti-FLAG (M2)-cryptate Ab (Cisbio, 61FG2KLB) and 5 nM full-length, N-terminally FLAG-tagged B-Raf(V600E) (Origene Technologies, TP700031. When B-Raf(V600K) was assayed, the following substitutions were made: 15 nM Tracer 178 (ThermoFisher, PV5593), 2 nM Eu-anti-GST Ab (ThermoFisher, PV5595) and 5 nM N-terminally GST-tagged B-Raf(V600K) (331-end, SignalChem, B08-12DG). Compounds were typically diluted in DMSO across an 11-point dosing range created using a 3-fold serial dilution protocol at a top dose of 10 μM. The assay was run in 384-well, polystyrene, low-volume, non-treated, white microtiter plates (Costar 4512) in a final volume of 12 μL. Low control wells included 1 μM of a potent B-Raf inhibitor as a control.
Measurement: IC50 = 188 nM (pChEMBL 6.730000019073486)
Descriptors: MW 453.93, ALogP 3.39, HBA 6, HBD 2, PSA 96.33, QED 0.6
Compound (SMILES): COc1cc(Nc2ncnc(-c3ccc(O[C@H]4CCN(C(=O)[C@H](C)O)C[C@H]4F)c(C#N)c3)n2)ccn1
InChIKey: QNAQWEYXUVCFQZ-QMIHWGKISA-N
Target: Serine/threonine-protein kinase TBK1 (SINGLE PROTEIN), Homo sapiens
UniProt: Q9UHD2
Assay: TBK1 and IKKE Biological Assays: Enzymatic activity of IKKε and TBK1 was measured using a homogeneous time resolved fluorescence resonance energy transfer (TR-FRET) assay that monitors enzyme dependent phosphorylation of a biotinylated serine/threonine peptide substrate. An increase in the amount of phosphorylated peptide results in an increase in TR-FRET signal. TBK1 and IKKε were expressed and purified as full length recombinant proteins. Detection reagents for the assay were purchased from Cisbio. TBK1 and IKKε enzymes were assayed under initial rate conditions in the presence of 2×Km ATP (40-80 μM) and 1 μM peptide, hepes (pH 7), 0.1 mM orthovanadate, 0.02% NaN3, 0.01% BSA, 10 mM MgCl2, 0.01% (v/v) tritonX, 1 mM dithiothreitol, 0.5% (v/v) DMSO at the following concentrations for each enzyme: TBK1 at 2.5 nM and IKKε at 0.3 nM. After an assay reaction time of 240 minutes at 25° C., reactions were terminated with EDTA.Amount of phosphorylated peptide was determined by the addition of 125 nM streptavidin XL665 and europium cryptate labeled anti-phospho monoclonal antibody and the resulting TR-FRET signal was recorded on an Envision plate reader (Ex: 340 nm; Em: 615/665 nm; 100 μs delay and 200 μs read window). Data was normalized based on a positive (1 μM Staurosporine) and negative (DMSO) controls and IC50 values calculated from the fit of the dose-response curves to a four-parameter equation. All IC50 values represent geometric mean values of a minimum of four determinations.
Measurement: IC50 = 6000 nM (pChEMBL 5.21999979019165)
Descriptors: MW 493.5, ALogP 2.26, HBA 10, HBD 2, PSA 146.38, QED 0.5
Compound (SMILES): CCn1c(-c2cnc(C(C)(C)C)s2)nc2c(OC3CCN(C(=O)OC(C)(C)C)C3)ncnc21
InChIKey: PIZQZRGYJIUVEG-UHFFFAOYSA-N
Target: Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform (SINGLE PROTEIN), Homo sapiens
UniProt: O00329
Assay: Biochemical Assay: The PI3-Kinase biochemical assay was optimized using the HTRF kit provided by Upstate (Millipore). The assay kit contains six reagents: 1) 4× Reaction Buffer; 2) native PIP2 (substrate); 3) Stop (EDTA); 4) Detection Mix A (Streptavidin-APC); 5) Detection Mix B (Eu-labeled Anti-GST plus GST-tagged PH-domain); 6) Detection Mix C. In addition, the following items were obtained or purchased; PI3Kinase (alpha 14-602, beta 14-603, gamma 14-558 and delta 14-604 from Upstate; Millipore), dithiothreitol (Sigma, D-5545), Adenosine-5′ triphosphate (InVitrogen, Cat#AS001A), native PIP3 (PI(3,4,5)P3, diC8, H+, CELLSIGNALS, INC. Cat #907) DMSO (Sigma, 472301).PI3Kinase Reaction Buffer is prepared by dilution the stock 1:4 with de-ionized water. DTT, PIP2 and Biotin-PIP3 were added to 1536 assay plate at a final concentration of 5 mM, 5 mM and 25 nM on the day of use. Enzyme addition and compound pre-incubation are initiated by the addition of 1.25 ul of PI3K (at twice its final concentration) in the 1× reaction buffer to all wells using a BioRaptor. Plates are incubated at room temperature for 15 minutes. Reactions are initiated by addition of 1.25 ul of 2× substrate solution (PIP2 and ATP in 1× reaction buffer) using BioRaptor. Plates are incubated in humidified chamber at room temperature for one hour. Reactions are quenched by addition of 0.625 uL of stop solution to all wells using the BioRaptor. The quenched reactions are then processed to detect product formation by adding 0.625 uL of Detection Solution to all wells using the BioRaptor (Detection mix C, Detection Mix A, and Detection Mix B combined together in an 18:1:1 ratio prepared 2 hours prior to use). Following a one hour incubation in the dark, the HTRF signal is measured on the Envision plate reader set for 330 nm excitation and dual emission detection at 620 nM (Eu) and 665 nM (APC).
Measurement: IC50 = 0.5 nM (pChEMBL 9.300000190734863)
Descriptors: MW 472.62, ALogP 4.66, HBA 9, HBD 0, PSA 95.26, QED 0.55
Compound (SMILES): Cc1cc(C(=O)Nc2cc(-c3cc(CN4CCOCC4)ccc3F)ccc2N2CCN(CC(F)(F)F)CC2)cc(C)c1F
InChIKey: DHCLLDQUEBPRCB-UHFFFAOYSA-N
Target: WD repeat-containing protein 5 (SINGLE PROTEIN), Homo sapiens
UniProt: P61964
Assay: Surface Plasmon Resonance (SPR) Assay: Exemplary compounds of the application were dissolved in 100% DMSO at 10 mM, assayed fresh, and then stored at −20° C. for repeat studies and other experiments. Full length WDR5 with an N-terminal His tag and C-terminal AviTag (Avidity Inc.) was expressed in E. coli with coexpression of BirA to biotin label the protein in vivo. Purification was via Ni-NTA. The purified WDR5 protein has a molecular weight of 41976 Da.SPR studies were performed using a Biacore T200 instrument (GE Health Sciences Inc.). Biotinylated WDR5 protein (approximately 3000RU) was stably captured to streptavidin coupled SA chips according to the manufacture's protocol (GE Health Sciences Inc.). The running buffer used was HBS-EP (20 mM Hepes pH 7.4, 150 mM NaCl, 3 mM EDTA, 0.05% P-20) plus 5% DMSO with a flow rate of 40p1/min. For SPR analysis, 5 different concentrations of each exemplary compound of the application were sprayed into 96 or 384 well plates using an HP D300 digital dispenser. The concentration ranged from about 195 nM to about 12 nM in a two-fold series. Concentration ranges were adjusted higher or lower for weaker or more potent compounds, respectively, when necessary. For the KD determinations, single cycle kinetic analysis was performed with an on time of 60 seconds, and an off time of 300 or 600 seconds. Curve fitting and KD calculations were performed with the Biacore T200 Evaluation software (GE Health Sciences Inc).
Measurement: Kd > 200 nM (pChEMBL 6.698999881744385)
Descriptors: MW 602.65, ALogP 6.02, HBA 5, HBD 1, PSA 48.05, QED 0.34
Compound (SMILES): Cn1cc(NC(=O)c2cnn3cccnc23)c(-c2cc3c(cc2OC(F)F)NC(=O)CS3)n1
InChIKey: HHNQUSKCERMSSB-UHFFFAOYSA-N
Target: Tyrosine-protein kinase JAK1 (SINGLE PROTEIN), Homo sapiens
UniProt: P23458
Assay: 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 R 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 R 3000 according to the manufacturer's specifications.
Measurement: Ki = 0.07 nM (pChEMBL 10.149999618530273)
Descriptors: MW 471.45, ALogP 3.03, HBA 9, HBD 2, PSA 115.44, QED 0.46
Compound (SMILES): CCOC(=O)N1CC=C(c2cccn3nc(Nc4ccc(C(=O)N5CC6(CCN(C)C6)C5)cc4)nc23)CC1
InChIKey: WHUSVMWSGMBLFC-UHFFFAOYSA-N
Target: Tyrosine-protein kinase JAK1 (SINGLE PROTEIN), Homo sapiens
UniProt: P23458
Assay: 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 = 1.12 nM (pChEMBL 8.949999809265137)
Descriptors: MW 515.62, ALogP 3.5, HBA 8, HBD 1, PSA 95.31, QED 0.56
Compound (SMILES): O=C1c2cnc(Nc3ccc(C4CCNCC4)cc3)nc2OCN1c1c(Cl)cccc1Cl
InChIKey: AWZLCVLZHWCDCW-UHFFFAOYSA-N
Target: Wee1-like protein kinase (SINGLE PROTEIN), Homo sapiens
UniProt: P30291
Assay: WEE1 IC50 Determination: IC50 values of compounds against WEE1 kinase enzyme were determined by LanthaScreen Terbium Labeled TR-FRET assay. Kinase assays were performed in 1× kinase buffer (# PV6135, Invitrogen, Life Technologies Grand Island, N.Y.) where total reaction volume was 10 μl in low-volume 384-well plates (#4511, Corning). Serially diluted compounds (3-fold) were incubated with WEE1 Enzyme (1 nM) (# PR7373A, Invitrogen, Life Technologies Grand Island, N.Y.) for 10 min, following which a mixture of ATP (10 M) (# A1852, Sigma, St-Louis, Mo.) and fluorescent-PolyGT substrate (200 nM) (# PV3610, Invitrogen, Life Technologies Grand Island, N.Y.) was added and incubated in dark at room temperature for 1 h. After 1 h, 10 μl stop solution containing Terbium labeled antibody (4 nM) (# PV3529, Invitrogen, Life Technologies Grand Island, N.Y.) and EDTA (# E5134, Sigma, St-Louis, Mo.) (20 mM) in TR-FRET dilution buffer (# PV3574, Invitrogen, Life Technologies Grand Island, N.Y.) was added. Readings were taken in a Synergy Neo Plate reader (BioTek, Winooski) at single excitation of 340 nm and Dual emission at 495 nm and 520 nm respectively.
Measurement: IC50 = 73.5 nM (pChEMBL 7.130000114440918)
Descriptors: MW 470.36, ALogP 4.99, HBA 6, HBD 2, PSA 79.38, QED 0.56
Compound (SMILES): N#Cc1c(N)ncnc1N1CCCC1c1cc2ccc(F)cc2nc1N1CCCCC1
InChIKey: SIMXUGXMFAWNQV-UHFFFAOYSA-N
Target: Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit gamma isoform (SINGLE PROTEIN), Homo sapiens
UniProt: P48736
Assay: Inhibition Assay: Exemplary compounds of the invention were tested their inhibitory activity or potency against PI3Kδ in 10-dose IC50 mode with 3-fold serial dilution starting at 1 μM. The control compound, PI-103, was tested in the same conditions. Table 4 below summarizes the IC50 values that were collected against PI13Kδ for compounds exemplified in this invention. All IC50 values were reported in unites of nM. An IC50 value less than 0.0508 nM or 0.508 nM, or higher than 1 mM or 10 mM was estimated based on the best curve fitting available. Empty cells indicate no inhibition or compound activity that could not be fit to an IC50 curve.As demonstrated in Table 4 below, many exemplary compounds of formula (I) and formula (II) are potent inhibitors of PI3Kδ. Preferred compounds of the present invention possess an IC50 value for the inhibition of PI3Kδ of less than 10 μM, preferably less than 1 μM, even more preferably less than 0.1 μM, most preferably less than 0.05 μM.
Measurement: IC50 = 0.1 nM (pChEMBL 10)
Descriptors: MW 417.49, ALogP 3.95, HBA 7, HBD 1, PSA 94.96, QED 0.69
Compound (SMILES): CN(C)CCN(C)c1ccc2nc(C3(C)CC3)nc(N3CCC(c4ccccc4N4CCC4)CC3)c2c1
InChIKey: ITFARRJXTGCTGV-UHFFFAOYSA-N
Target: Neurotensin receptor type 1 (SINGLE PROTEIN), Homo sapiens
UniProt: P30989
Assay: NTR1 Ca2+ Flux Dose Response: NTSR1 (NTR1) CHO cells are plated in 20 uL of assay media containing Ham's F12 supplemented with 10% fetal bovine serum and 0.4 mg/mL G418 at a concentration of 1.0×106 cells per mL into black, 384-well assay plates with clear bottoms using a Multidrop liquid handler. Assay plates are incubated at 37° C. in 5% CO2. The next day, the assay plates are aspirated to remove growth media and washed once with 20 uL of DPBS. The DPBS is then aspirated from the assay plate and replaced with 25 uL of Fluo-4 NW calcium dye prepared according to the manufacturer's recommendations then the plates are incubated for 1 hour at 37° C. Following the incubation in the presence of dye, the assay is run on a Molecular Devices FlexStation-III using 494 excitation and 516 emission wavelengths set to read for 90 seconds with the addition at 18 seconds of 5 uL of 6× final concentration of test compounds and peptide control diluted in assay media containing 0.1% BSA and no more than 9% DMSO to yield a maximum final DMSO concentration of 1.5%. Percent activation is calculated based on the maximum response minus the minimum value over the time course relative to the neurotensin 1 control peptide at 100 pM. EC50 values were calculated for those compounds tested in 8-point dose dependent response.
Measurement: EC50 > 10000 nM (pChEMBL 5)
Descriptors: MW 498.72, ALogP 5.27, HBA 6, HBD 0, PSA 38.74, QED 0.42
Compound (SMILES): NCC1(c2ccc3ccccc3c2)CCC(O)(CF)CC1
InChIKey: FXSIBECSKQPADN-UHFFFAOYSA-N
Target: Sodium-dependent serotonin transporter (SINGLE PROTEIN), Homo sapiens
UniProt: P31645
Assay: Functional Uptake Assay (hSERT): Inhibition of human serotonin reuptake transporter was assayed using the recombinant human serotonin transporter expressed in HEK-293 cells. HEK-293 cells expressing human serotonin transporter were plated before the assay. Test compound and/or vehicle was preincubated with cells in modified HEPES buffer pH 7.1 or pH 7.4 for 20 minutes at 18 to 25° C. and 65 nM [3H]serotonin was then added for an additional timed incubation period (ten to thirty minutes). Cells with internalized [3H]serotonin were washed and the amount of tritium taken into cells is counted using a liquid scintillation counter to determine [3H]serotonin uptake. Non-specific binding of tritium was measured in a control reaction containing 10 uM fluoxetine, and was subtracted from the counts for assays to correct for non-specific binding of tritium. Reduction of [3H]serotonin uptake by 50 percent or more (50%) relative to an uninhibited control reaction indicates significant inhibitory activity. Compounds were screened at 10, 1, 0.1, 0.01 and 0.001 uM. The reference compound for the assay was fluoxetine, for which the IC50 value of 7.1 nM was obtained in a typical experiment.
Measurement: IC50 = 47 nM (pChEMBL 7.329999923706055)
Descriptors: MW 287.38, ALogP 3.31, HBA 2, HBD 2, PSA 46.25, QED 0.91
Compound (SMILES): Fc1c(-c2cccc(C(F)(F)F)c2C(F)(F)F)ncc2c(N3CC4CCC(C3)N4)nc(OCC34CCCN3CCC4)nc12
InChIKey: BVTSHBMCWAZQGA-UHFFFAOYSA-N
Target: GTPase KRas (SINGLE PROTEIN), Homo sapiens
UniProt: P01116
Assay: KRas G12D Binding Assay: Table 2: The ability of a compound to bind to KRAS G12D was measured using a TR-FRET displacement assay. Biotinylated GDP-loaded recombinant human KRAS G12D (corresponding to amino acids 1:169, produced at Array BioPharma) was incubated with a custom-made Cy5 labelled tracer, europium labelled streptavidin and compound (2% DMSO final) in buffer (50 mM HEPES [pH 7.5], 5mM MgCl2, 0.005% Tween-20 & 1 mM DTT). After a 60 minute incubation at 22° C., the reaction was measured using a PerkinElmer EnVision multimode plate reader via TR-FRET dual wavelength detection, and the percent of control (POC) calculated using a ratiometric emission factor. 100 POC is determined using no test compound and 0 POC is determined using a concentration of control compound that completely inhibits binding of the tracer to KRAS. The POC values were fit to a 4-parameter logistic curve and the IC50 value was determined as the concentration where the curve crosses 50 POC.
Measurement: IC50 = 99.9 nM (pChEMBL 7)
Descriptors: MW 610.58, ALogP 5.82, HBA 7, HBD 1, PSA 66.41, QED 0.37
Compound (SMILES): O=C(NS(=O)(=O)c1ccc(OCC2CCC(O)CC2)c([N+](=O)[O-])c1)c1ccc(-c2ccc(N3CCCC3c3ccccc3Cl)cc2)cc1Oc1cnc2[nH]ccc2c1
InChIKey: HQKAWBPGJJBBNV-UHFFFAOYSA-N
Target: Apoptosis regulator Bcl-2 (SINGLE PROTEIN), Homo sapiens
UniProt: P10415
Assay: Bcl-2/Bcl-X Fluorescence Polarization Assay: Compounds disclosed herein were tested for blocking of Bcl-2/Bcl-xl protein with its ligand in an assay based on fluorescence polarization methodology. Recombinant human 2.7 nM Bcl-2/1.3 nM Bcl-xl protein was pre-incubated with a serial dilution of compounds disclosed herein (maximum concentration is 1 μM for Bcl-2 assay, and 10 μM or 1 μM for Bcl-xl assay, 3-fold serially diluted, 10 points) at room temperature for 0.5 hour in an assay buffer containing 20 ml potassium phosphate buffer, pH 7.5, 50 mM NaCl, 1 mM EDTA, 0.05% Tween-20, 0.01% BSA. Then the FITC labeled Bak peptide Ac-GQVGRQLAIIGDK (FITC)INR-amide (1 nM for Bcl-2, 0.82 nM for Bcl-xl) was added to plate and further incubated at room temperature for 0.5 h. The FP signals (485 nm-520 nm-520 nm) were read on BMG PHERAstar FS or BMG PHERAstar FSX instalment. The inhibition percentage of Bcl-2/Bcl-xl interaction with its ligand in presence of increasing concentrations of compounds was calculated based on the FP signals. The IC50 for each compound was derived from fitting the data to the four-parameter logistic equation by Graphpad Prism software.
Measurement: IC50 = 13 nM (pChEMBL 7.889999866485596)
Descriptors: MW 822.34, ALogP 8.97, HBA 10, HBD 3, PSA 176.99, QED 0.08
Compound (SMILES): Cc1cc(C(=O)N2CCC(c3cn([C@H]4CC[C@H](O)CC4)c4nc(NCCCCO)ncc34)CC2)cc(C)n1
InChIKey: VPRQPPWLEAVEAI-RQNOJGIXSA-N
Target: Tyrosine-protein kinase Mer (SINGLE PROTEIN), Homo sapiens
UniProt: Q12866
Assay: Activity Assay: Activity Against Mer Tyrosine Kinase.
Measurement: IC50 < 3 nM (pChEMBL 8.52299976348877)
Descriptors: MW 520.68, ALogP 4.12, HBA 8, HBD 3, PSA 116.4, QED 0.38
Compound (SMILES): O=C(NS(=O)(=O)c1ccc(NCC2CCOCC2)c([N+](=O)[O-])c1)c1ccc(-c2ccc(N3CC(F)=CC3c3ccccc3C3CC3)cc2)cc1Oc1cnc2[nH]ccc2c1
InChIKey: WNMZGGCSPVKVNY-UHFFFAOYSA-N
Target: Apoptosis regulator Bcl-2 (SINGLE PROTEIN), Homo sapiens
UniProt: P10415
Assay: Bcl-2/Bcl-X TR-FRET Assay: Compounds disclosed herein were tested for blocking of Bcl-2/Bcl-X protein with its ligand in an assay based on Time-Resolved Fluorescence Resonance Energy Transfer (TR-FRET) methodology. Recombinant human 0.05 nM Bcl-2/0.03 nM Bcl-X protein was pre-incubated with a serial dilution of compounds disclosed herein (maximum concentration is 0.1 μM for Bcl-2 assay, and 10 μM for Bcl-xl assay, 3-fold serially diluted, 10 points; or maximum concentration is 0.02 μM for Bcl-2 assay, and 2 μM for Bcl-xl assay, 3-fold serially diluted, 10 points) at room temperature for 0.5 hour in an assay buffer containing 20 mM potassium phosphate buffer, pH 7.5, 50 mM NaCl, 1 mM EDTA, 0.05% Tween-20, 0.01% BSA. Then the FITC labeled Bak peptide Ac-GQVGRQLAIIGDK(FITC)INR-amide (0.5 nM for Bcl-2, 0.3 nM for Bcl-xl) and MAb Anti 6His Tb cryptate Gold were added to plate and further incubated at room temperature for 1 hour. The TR-FRET signals (337 nm-520 nm-490 nm) were read on BMG PHERAstar FSX instrument. The inhibition percentage of Bcl-2/Bcl-X interaction with its ligand in presence of increasing concentrations of compounds was calculated based on the TR-FRET signals. The IC50 for each compound was derived from fitting the data to the four-parameter logistic equation by Graphpad Prism software. To improve the assay sensitivity and test more potent compounds in the present application, the bcl-2 concentration was reduced in method B.
Measurement: IC50 = 13 nM (pChEMBL 7.889999866485596)
Descriptors: MW 828.92, ALogP 9.18, HBA 10, HBD 3, PSA 168.79, QED 0.08
Compound (SMILES): Cc1cnc2[nH]cc(-c3cn[nH]c3)c2c1N1CCCCC1
InChIKey: FJHBZDZOSWVMSE-UHFFFAOYSA-N
Target: Serine/threonine-protein kinase MRCK alpha (SINGLE PROTEIN), Homo sapiens
UniProt: Q5VT25
Assay: Kinase Assay: MRCKα, MRCKβ, ROCK1 and ROCK2 assays were performed using an IMAP fluorescence polarization assay format (Molecular Devices Inc.). 8-12 nM of each kinase (Life Technologies) was incubated for 60 min at room temperature with 100 nM FAM-S6-ribosomal protein derived peptide (synthesized by Alta Biosciences, University of Birmingham UK) in the presence of 1 μM ATP and 0.5 mM MgCl2 in 20 mM Tris buffer (pH 7.4) containing 0.01% Tween-20 and 1 mM DTT (MRCKα and β); or 1 μM ATP, 10 mM MgCl2 in 20 mM Tris buffer (pH 7.5) containing 0.25 mM EGTA 0.01% Triton X-100 and 1 mM DTT (ROCK1 and ROCK2). Typically, dose response analyses were performed over concentration ranges from 0.005-100 μM. Reactions were stopped by adding 2 assay volumes of 0.25% (v/v) IMAP binding reagent in 1×IMAP binding buffer A (Molecular Devices). After 30 min incubation to allow binding reagent to bind phosphorylated peptide, fluorescence polarization was measured on a Tecan Saphire2 plate reader at excitation (470 nm) and emission (530 nm) wavelengths. Inhibition was calculated using no inhibitor and no enzyme controls as 0 and 100% inhibition, respectively.
Measurement: Ki = 19.7 nM (pChEMBL 7.710000038146973)
Descriptors: MW 281.36, ALogP 3.25, HBA 3, HBD 2, PSA 60.6, QED 0.76
Compound (SMILES): COc1ccc(C(C)C)cc1S(=O)(=O)c1ccc(NC(=O)NCc2cccnc2)cc1
InChIKey: JQUXTMWOYQGVCC-UHFFFAOYSA-N
Target: Nicotinamide phosphoribosyltransferase (SINGLE PROTEIN), Homo sapiens
UniProt: P43490
Assay: Biochemical Inhibition Assay: The NAMPT enzymatic reactions were carried out in Buffer A (50 mM Hepes pH 7.5, 50 mM NaCl, 5 mM MgCl2, and 1 mM THP) in 96-well V-bottom plates. The compound titrations were performed in a separate dilution plate by serially diluting the compounds in DMSO to make a 100× stock. Buffer A (89 μL) containing 33 nM of NAMPT protein was added to 1 μL of 100× compound plate containing controls (e.g. DMSO or blank). The compound and enzyme mix was incubated for 15 minutes at room temperature, then 10 μL of 10× substrate and co-factors in Buffer A were added to the test well to make a final concentration of 1 μM NAM, 100 μM 5-Phospho-D-ribose 1-diphosphate (PRPP), and 2.5 mM Adenosine 5′-triphosphate (ATP). The reaction was allowed to proceed for 30 minutes at room temperature, then was quenched with the addition of 11 μL of a solution of formic acid and L-Cystathionine to make a final concentration of 1% formic acid and 10 μM L-Cystathionine. Background and signal strength was determined by addition (or non-addition) of a serial dilution of NMN to a pre-quenched enzyme and cofactor mix.
Measurement: IC50 = 3 nM (pChEMBL 8.520000457763672)
Descriptors: MW 439.54, ALogP 4.37, HBA 5, HBD 2, PSA 97.39, QED 0.57
Compound (SMILES): Fc1cccc(Oc2cc(C(F)(F)F)nc(N3CCC4(CC3)CNCCN4)n2)c1
InChIKey: XNETVVQWLBRUNT-UHFFFAOYSA-N
Target: Sodium-dependent dopamine transporter (SINGLE PROTEIN), Homo sapiens
UniProt: Q01959
Assay: Scintillation Proximity Assay : The affinity of the compounds of the invention to the human DAT or NET or SERT transporters is assessed by using the [3H]WIN-35,428 or [3H]nisoxetine or [3H]citalopram binding assays in recombinant human DAT, NET and SERT membranes with the SPA technology. The final assay volume is 50 μL in 384 well plates.Briefly, 0.5 μL of test compound in neat DMSO or 0.5 μL of DMSO for total binding (TB) or 0.5 μL of indatraline 1 mM (10 μM final concentration) for non specific binding (NSB) are added to the assay plate. 50 μL of the SPA mixture is added to each well, containing: 30 μg/mL or 10 μg/mL or 25 μg/mL DAT, NET, SERT membranes, respectively; 5 nM [3H]WIN-35,428 or 5 nM [3H]nisoxetine or 1 nM [3H]citalopram, for DAT, NET, SERT assay, respectively; 2.5 mg/mL or 1 mg/mL or 4 mg/mL WGA-PVT SPA beads (PerkinElmer RPNQ0001, for DAT, NET, SERT assay, respectively. All components are added to Assay Buffer (20 mM HEPES pH 7.4, 145 mM NaCl, 5 mM KCl, 0.01% Pluronic F-127). 0.02% BSA was used for DAT binding only. Plates are sealed with Topseal A and centrifuged 1 min, 800 rpm. Plates are loaded into a 1450 Microbeta TriLux (Perkin-Elmer) plate reader and the radioactivity counted after at least 4 hrs or overnight incubation at room temperature. Curve fitting and IC50 estimations are performed using a four parameter model in XLfit (IDBS, Guilford, UK) for Microdoft Excel (Microsoft, Redmond, Wash.).
Measurement: IC50 = 1.32 nM (pChEMBL 8.880000114440918)
Descriptors: MW 411.4, ALogP 2.96, HBA 6, HBD 2, PSA 62.31, QED 0.76
Compound (SMILES): COc1cccc(OC)c1-n1c(NS(=O)(=O)[C@@H](C)[C@H](C)c2ncc(F)cn2)nnc1[C@H]1CCOC1
InChIKey: RXRWXULUMCLQQO-KKUMJFAQSA-N
Target: Apelin receptor (SINGLE PROTEIN), Homo sapiens
UniProt: P35414
Assay: [35S]GTPgammaS Binding: The human APJ receptor was cloned by polymerase chain reaction and the gene encoding the receptor was subcloned in pFLAG-CMV-3 expression vector (Sigma, Saint Louis, Mo. USA) in-house at Amgen. A GTPγS binding assay was performed on membranes prepared from CHO cells stably expressing human APJ receptor. The optimum experimental conditions for the concentrations of GDP, MgCl2, and NaCl in the assay buffer were initially determined. The assay was performed in assay buffer [20 mM HEPES, pH 7.5, 5 mM MgCl2, and 0.1% (w/v) BSA with 200 mM NaCl, 3 μM GDP] and membranes expressing human APJ receptor/well along with WGA PS beads. The reaction was initiated by addition of 0.2 nM [35S]GTPγS (Perkin Elmer Life and Analytical Sciences, Waltham USA) in the absence or presence of various ligands and incubated at RT for 90 min. Nonspecific binding was determined in the presence of 100 μM GTPγS and was always less than 0.2% of total binding. All the results presented are means of several independent experiments and analyzed by non-linear regression methods using commercially available program Prism (GraphPad, San Diego, Calif.).
Measurement: EC50 = 29 nM (pChEMBL 7.539999961853027)
Descriptors: MW 506.56, ALogP 2.65, HBA 10, HBD 1, PSA 130.35, QED 0.47
Compound (SMILES): CCn1nc(C(=O)NC[C@H]2CC[C@H](C)CC2)c(C)c1-c1ccc(CC(C)(C)C(F)(F)F)nc1OC(F)F
InChIKey: PFRPPOLUIGMKKQ-JCNLHEQBSA-N
Target: Nuclear receptor ROR-gamma (SINGLE PROTEIN), Homo sapiens
UniProt: P51449
Assay: Fluorescence Based Assay: ThermoFluor® is a fluorescence based assay that estimates ligand binding affinities by measuring the effect of a ligand on protein thermal stability (Pantoliano, M. W., Petrella, E. C., Kwasnoski, J. D., Lobanov, V. S., Myslik, J., Graf, E., Carver, T., Asel, E., Springer, B. A., Lane, P., and Salemme, F. R. (2001) High-density miniaturized thermal shift assays as a general strategy for drug discovery. J Biomol Screen 6, 429-40, and Matulis, D., Kranz, J. K., Salemme, F. R., and Todd, M. J. (2005) Thermodynamic stability of carbonic anhydrase: measurements of binding affinity and stoichiometry using ThermoFluor. Biochemistry 44, 5258-66). This approach is applicable to a wide variety of systems, and rigorous in theoretical interpretation through quantitation of equilibrium binding constants (KD).
Measurement: Kd = 0.28 nM (pChEMBL 9.550000190734863)
Descriptors: MW 530.58, ALogP 6.56, HBA 5, HBD 1, PSA 69.04, QED 0.37
Compound (SMILES): C=CCCc1nnc(NS(=O)(=O)[C@@H](C)[C@@H](OC(C)C)c2ncc(C)cn2)n1-c1c(Br)cccc1OC
InChIKey: XAYMARPBZDOXHO-HTAPYJJXSA-N
Target: Apelin receptor (SINGLE PROTEIN), Homo sapiens
UniProt: P35414
Assay: [35S]GTPγS Binding: The human APJ receptor was cloned by polymerase chain reaction and the gene encoding the receptor was subcloned in pFLAG-CMV-3 expression vector (Sigma, Saint Louis, Mo. USA) in-house at Amgen. A GTPγS binding assay was performed on membranes prepared from CHO cells stably expressing human APJ receptor. The optimum experimental conditions for the concentrations of GDP, MgCl2, and NaCl in the assay buffer were initially determined. The assay was performed in 9 μL assay buffer [20 mM HEPES, pH 7.5, 5 mM MgCl2, 100 mM NaCl and 0.1% (w/v) BSA], 1 μL of diluted test compound (starting with 0.75 mM, 2-fold serial dilution with DMSO, total 22 points), 10 μL of 18 M GDP (final concentration of 3 μM GDP), 20 μL of 0.25 μg/mL membrane protein expressing human APJ receptor captured with WGA PS beads (final concentration of 5 μg per well), and 20 μL of 0.3 nM [35S]GTPγS (final concentration is 0.1 nM [35S]GTPγS)(Perkin Elmer Life and Analytical Sciences, Waltham USA). One column of the plate was 1 μL of DMSO as background and another column of the plate was 1 μL of 180 M Pyr-Apelin-13 which was used as control at a final concentration of 3 M. Incubation was at RT for 90 min and the microplate was read using a ViewLux ultra HTS Microplate Imager (PerkinElmer, Inc.).
Measurement: EC50 = 120 nM (pChEMBL 6.920000076293945)
Descriptors: MW 579.52, ALogP 4.55, HBA 9, HBD 1, PSA 121.12, QED 0.31