Structure of PDB 4rx8 Chain A

Receptor sequence
>4rx8A (length=269) Species: 9606 (Homo sapiens) [Search protein sequence]
YLDRKLLTLEDKELGSGNFGTVKKGYYQMKKVVKTVAVKILKPALKDELL
AEANVMQQLDNPYIVRMIGICEAESWMLVMEMAELGPLNKYLQQNRHVTD
KNIIELVHQVSMGMKYLEESNFVHRDLAARNVLLVTQHYAKISDFGLSKA
LRADENYYKAQTGKWPVKWYAPECINYYKFSSKSDVWSFGVLMWEAFSYG
QKPYRGMKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWTYDVENRPGF
AAVELRLRNYYYDVVNHHH
3D structure
PDB4rx8 Discovery and profiling of a selective and efficacious syk inhibitor.
ChainA
Resolution1.59 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) D494 A496 R498 N499 D512 K533
Catalytic site (residue number reindexed from 1) D126 A128 R130 N131 D144 K164
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 3YX A L377 A400 M448 M450 A451 G454 P455 R498 L501 S511 D512 L14 A37 M80 M82 A83 G86 P87 R130 L133 S143 D144 MOAD: ic50=35nM
PDBbind-CN: -logKd/Ki=7.46,IC50=35nM
BindingDB: IC50=367nM,Kd=0.640000nM
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:4rx8, PDBe:4rx8, PDBj:4rx8
PDBsum4rx8
PubMed25633741
UniProtP43405|KSYK_HUMAN Tyrosine-protein kinase SYK (Gene Name=SYK)

[Back to BioLiP]