Structure of PDB 2xey Chain A

Receptor sequence
>2xeyA (length=252) Species: 9606 (Homo sapiens) [Search protein sequence]
VEDWDLVQTLGGEVQLAVNRVTEEAVAVKIVDENIKKEICINKMLNHENV
VKFYGHRREGNIQYLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQLMAG
VVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNRERLLNKM
CGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSDSCQE
YSDWKEKKTYLNPWKKIDSAPLALLHKILVENPSARITIPDIKKDRWYNK
PL
3D structure
PDB2xey Design and Evaluation of 3,6-Di(Hetero)Aryl Imidazo[1,2-A]Pyrazines as Inhibitors of Checkpoint and Other Kinases.
ChainA
Resolution2.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D130 K132 E134 N135 D148 T170
Catalytic site (residue number reindexed from 1) D113 K115 E117 N118 D131 T153
Enzyme Commision number 2.7.11.1: non-specific serine/threonine protein 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 YVQ A L15 V23 C87 G90 L137 L10 V14 C70 G73 L120 PDBbind-CN: -logKd/Ki=5.19,IC50=6.5uM
BindingDB: IC50=154881662nM
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004674 protein serine/threonine kinase activity
GO:0005524 ATP binding
Biological Process
GO:0000077 DNA damage checkpoint signaling
GO:0006468 protein phosphorylation

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Molecular Function
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Biological Process
External links
PDB RCSB:2xey, PDBe:2xey, PDBj:2xey
PDBsum2xey
PubMed20561787
UniProtO14757|CHK1_HUMAN Serine/threonine-protein kinase Chk1 (Gene Name=CHEK1)

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