Structure of PDB 1sm2 Chain A

Receptor sequence
>1sm2A (length=245) Species: 9606 (Homo sapiens) [Search protein sequence]
VIDPSELTFVQEIGSGQFGLVHLGYWLNKDKVAIKTIREGAMSEEDFIEE
AEVMMKLSHPKLVQLYGVCLEQAPICLVFEFMEHGCLSDYLRTQRGLFAA
ETLLGMCLDVCEGMAYLEEACVIHRDLAARNCLVGENQVIKVSDFGPVKW
ASPEVFSFSRYSSKSDVWSFGVLMWEVFSEGKIPYENRSNSEVVEDISTG
FRLYKPRLASTHVYQIMNHCWKERPEDRPAFSRLLRQLAEIAESG
3D structure
PDB1sm2 Crystal structures of interleukin-2 tyrosine kinase and their implications for the design of selective inhibitors.
ChainA
Resolution2.3 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) D126 A128 R130 N131 D144 P147
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 STU A I369 G370 V377 A389 K391 F435 F437 M438 G441 R486 L489 D500 I13 G14 V21 A33 K35 F79 F81 M82 G85 R130 L133 D144 MOAD: Ki<10nM
PDBbind-CN: -logKd/Ki=8.00,Ki<10nM
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

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Molecular Function
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Biological Process
External links
PDB RCSB:1sm2, PDBe:1sm2, PDBj:1sm2
PDBsum1sm2
PubMed14766749
UniProtQ08881|ITK_HUMAN Tyrosine-protein kinase ITK/TSK (Gene Name=ITK)

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