Structure of PDB 3fqh Chain B

Receptor sequence
>3fqhB (length=258) Species: 9606 (Homo sapiens) [Search protein sequence]
VYLDRKLLTLEDKELGSTVKKGYYQMKKVVKTVAVKILKPALKDELLAEA
NVMQQLDNPYIVRMIGICEAESWMLVMEMAELGPLNKYLQQNRHVKDKNI
IELVHQVSMGMKYLEESNFVHRDLAARNVLLVTQHYAKISDFGLSKALRA
DENYYKAKWPVKWYAPECINYYKFSSKSDVWSFGVLMWEAFSYGQKPYRG
MKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWTYDVENRPGFAAVELR
LRNYYYDV
3D structure
PDB3fqh Structural insights for design of potent spleen tyrosine kinase inhibitors from crystallographic analysis of three inhibitor complexes.
ChainB
Resolution2.26 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) D123 A125 R127 N128 D141 K158
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 057 B G378 A400 A451 E452 G454 P455 L501 G16 A34 A80 E81 G83 P84 L130 MOAD: ic50=0.57uM
BindingDB: IC50=570nM
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:3fqh, PDBe:3fqh, PDBj:3fqh
PDBsum3fqh
PubMed19220318
UniProtP43405|KSYK_HUMAN Tyrosine-protein kinase SYK (Gene Name=SYK)

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