Structure of PDB 3fqs Chain A

Receptor sequence
>3fqsA (length=268) Species: 9606 (Homo sapiens) [Search protein sequence]
VYLDRKLLTLEDKELGSGNFGTVKKGYYQMKKVVKTVAVKILKPALKDEL
LAEANVMQQLDNPYIVRMIGICEAESWMLVMEMAELGPLNKYLQQNRHVK
DKNIIELVHQVSMGMKYLEESNFVHRDLAARNVLLVTQHYAKISDFGLSK
ALRADENYYKAKWPVKWYAPECINYYKFSSKSDVWSFGVLMWEAFSYGQK
PYRGMKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWTYDVENRPGFAA
VELRLRNYYYDVVNEGHH
3D structure
PDB3fqs Structural insights for design of potent spleen tyrosine kinase inhibitors from crystallographic analysis of three inhibitor complexes.
ChainA
Resolution2.1 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) D127 A129 R131 N132 D145 K162
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 585 A L377 S379 V385 A400 A451 G454 P455 L501 L15 S17 V23 A38 A84 G87 P88 L134 MOAD: ic50=0.041uM
PDBbind-CN: -logKd/Ki=7.39,IC50=41nM
BindingDB: EC50=10nM,IC50=41nM,Kd=19nM,Ki=30nM
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

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:3fqs, PDBe:3fqs, PDBj:3fqs
PDBsum3fqs
PubMed19220318
UniProtP43405|KSYK_HUMAN Tyrosine-protein kinase SYK (Gene Name=SYK)

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