Structure of PDB 4xg3 Chain B

Receptor sequence
>4xg3B (length=267) Species: 9606 (Homo sapiens) [Search protein sequence]
VYLDRKLLTLEDKELGSGNFGTVKKGYYQMKKVVKTVAVKILKNEANDPA
LKDELLAEANVMQQLDNPYIVRMIGICEAESWMLVMEMAELGPLNKYLQQ
NRHVKDKNIIELVHQVSMGMKYLEESNFVHRDLAARNVLLVTQHYAKISD
FGLSKALRADENYYKAKWPVKWYAPECINYYKFSSKSDVWSFGVLMWEAF
SYGQKPYRGMKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWTYDVENR
PGFAAVELRLRNYYYDV
3D structure
PDB4xg3 Crystal structures of spleen tyrosine kinase in complex with novel inhibitors: structural insights for design of anticancer drugs
ChainB
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) D494 A496 R498 N499 D512 K533
Catalytic site (residue number reindexed from 1) D132 A134 R136 N137 D150 K167
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 X3G B L377 V385 A400 M448 M450 A451 G454 P455 R498 L501 D512 L15 V23 A38 M86 M88 A89 G92 P93 R136 L139 D150 MOAD: ic50=17.5nM
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004713 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:4xg3, PDBe:4xg3, PDBj:4xg3
PDBsum4xg3
PubMed27504936
UniProtP43405|KSYK_HUMAN Tyrosine-protein kinase SYK (Gene Name=SYK)

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