Structure of PDB 4hcu Chain A Binding Site BS01

Receptor Information
>4hcu Chain A (length=263) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
WVIDPSELTFVQEIGSGQFGLVHLGYWLNKDKVAIKTIREGAMSEEDFIE
EAEVMMKLSHPKLVQLYGVCLEQAPICLVFEFMEHGCLSDYLRTQRGLFA
AETLLGMCLDVCEGMAYLEEACVIHRDLAARNCLVGENQVIKVSDFGMTR
FVLDDQYTSSTGTKFPVKWASPEVFSFSRYSSKSDVWSFGVLMWEVFSEG
KIPYENRSNSEVVEDISTGFRLYKPRLASTHVYQIMNHCWRERPEDRPAF
SRLLRQLAEIAES
Ligand information
Ligand ID13L
InChIInChI=1S/C29H33N7O2/c1-4-24(37)35-14-6-9-23(16-35)36-28-25(27(30)31-17-32-28)26(34-36)20-7-5-8-21(15-20)29(38)33-22-12-10-19(11-13-22)18(2)3/h5,7-8,10-13,15,17-18,23H,4,6,9,14,16H2,1-3H3,(H,33,38)(H2,30,31,32)/t23-/m1/s1
InChIKeyOQUNLLPGZMGVNR-HSZRJFAPSA-N
SMILES
SoftwareSMILES
CACTVS 3.370CCC(=O)N1CCC[C@H](C1)n2nc(c3cccc(c3)C(=O)Nc4ccc(cc4)C(C)C)c5c(N)ncnc25
OpenEye OEToolkits 1.7.6CCC(=O)N1CCCC(C1)n2c3c(c(n2)c4cccc(c4)C(=O)Nc5ccc(cc5)C(C)C)c(ncn3)N
CACTVS 3.370CCC(=O)N1CCC[CH](C1)n2nc(c3cccc(c3)C(=O)Nc4ccc(cc4)C(C)C)c5c(N)ncnc25
OpenEye OEToolkits 1.7.6CCC(=O)N1CCC[C@H](C1)n2c3c(c(n2)c4cccc(c4)C(=O)Nc5ccc(cc5)C(C)C)c(ncn3)N
ACDLabs 12.01O=C(Nc1ccc(cc1)C(C)C)c5cccc(c3nn(c2ncnc(c23)N)C4CCCN(C(=O)CC)C4)c5
FormulaC29 H33 N7 O2
Name3-{4-amino-1-[(3R)-1-propanoylpiperidin-3-yl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}-N-[4-(propan-2-yl)phenyl]benzamide
ChEMBL
DrugBank
ZINCZINC000098207918
PDB chain4hcu Chain A Residue 701 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4hcu Covalent inhibitors of interleukin-2 inducible T cell kinase (itk) with nanomolar potency in a whole-blood assay.
Resolution1.43 Å
Binding residue
(original residue number in PDB)		I369 A389 K391 M398 F435 M438 G441 C442 D445 L489 D500 M503
Binding residue
(residue number reindexed from 1)		I14 A34 K36 M43 F80 M83 G86 C87 D90 L134 D145 M148
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=8.00,IC50=0.01uM
Enzymatic activity
Catalytic site (original residue number in PDB) D482 A484 R486 N487 D500 P521
Catalytic site (residue number reindexed from 1) D127 A129 R131 N132 D145 P166
Enzyme Commision number 2.7.10.2: non-specific protein-tyrosine kinase.
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004713 protein tyrosine kinase activity
GO:0004715 non-membrane spanning protein tyrosine kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006468 protein phosphorylation

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4hcu, PDBe:4hcu, PDBj:4hcu
PDBsum4hcu
PubMed23098091
UniProtQ08881|ITK_HUMAN Tyrosine-protein kinase ITK/TSK (Gene Name=ITK)

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