Structure of PDB 4xg9 Chain A

Receptor sequence
>4xg9A (length=259) Species: 9606 (Homo sapiens) [Search protein sequence]
VYLDRKLLTLEDKELGSGNFGTVKKGYYQMKKVVKTVAVKILKPALKDEL
LAEANVMQQLDNPYIVRMIGICEAESWMLVMEMAELGPLNKYLQQNRHVK
DKNIIELVHQVSMGMKYLEESNFVHRDLAARNVLLVTQHYAKISDFGLSK
ALRADENYYKAPVKWYAPECINYYKFSSKSDVWSFGVLMWEAFSYGQKPY
RGMKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWTYDVENRPGFAAVE
LRLRNYYYD
3D structure
PDB4xg9 Crystal structures of spleen tyrosine kinase in complex with novel inhibitors: structural insights for design of anticancer drugs
ChainA
Resolution2.91 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
Catalytic site (residue number reindexed from 1) D127 A129 R131 N132 D145
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 X9G A L377 V385 A400 M448 M450 A451 G454 P455 R498 N499 L501 D512 L15 V23 A38 M81 M83 A84 G87 P88 R131 N132 L134 D145 PDBbind-CN: -logKd/Ki=9.15,IC50=0.7nM
BindingDB: IC50=1nM
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:4xg9, PDBe:4xg9, PDBj:4xg9
PDBsum4xg9
PubMed27504936
UniProtP43405|KSYK_HUMAN Tyrosine-protein kinase SYK (Gene Name=SYK)

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