Structure of PDB 4hcu Chain A

Receptor sequence
>4hcuA (length=263) Species: 9606 (Homo sapiens) [Search protein sequence]
WVIDPSELTFVQEIGSGQFGLVHLGYWLNKDKVAIKTIREGAMSEEDFIE
EAEVMMKLSHPKLVQLYGVCLEQAPICLVFEFMEHGCLSDYLRTQRGLFA
AETLLGMCLDVCEGMAYLEEACVIHRDLAARNCLVGENQVIKVSDFGMTR
FVLDDQYTSSTGTKFPVKWASPEVFSFSRYSSKSDVWSFGVLMWEVFSEG
KIPYENRSNSEVVEDISTGFRLYKPRLASTHVYQIMNHCWRERPEDRPAF
SRLLRQLAEIAES
3D structure
PDB4hcu Covalent inhibitors of interleukin-2 inducible T cell kinase (itk) with nanomolar potency in a whole-blood assay.
ChainA
Resolution1.43 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 13L A I369 A389 K391 M398 F435 M438 G441 C442 D445 L489 D500 M503 I14 A34 K36 M43 F80 M83 G86 C87 D90 L134 D145 M148 PDBbind-CN: -logKd/Ki=8.00,IC50=0.01uM
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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