Structure of PDB 4ftr Chain A

Receptor sequence
>4ftrA (length=258) Species: 9606 (Homo sapiens) [Search protein sequence]
VPFVEDWDLVQTLGEYGEVQLAVNRVTEEAVAVKIVENIKKEICINKMLN
HENVVKFYGHRREGNIQYLFLEYCSGGELFDRIEPDIGMPEPDAQRFFHQ
LMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNRERL
LNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPSD
SCQEYSDWKEKKTYLNPWKKIDSAPLALLHKILVENPSARITIPDIKKDR
WYNKPLKK
3D structure
PDB4ftr Crystal Structure of the CHK1
ChainA
Resolution2.25 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) D117 K119 E121 N122 D135 T157
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 5HK A Q13 Y20 V23 K38 Y86 C87 G90 L137 D148 Q11 Y16 V19 K34 Y73 C74 G77 L124 D135 BindingDB: IC50=6nM,Ki=6nM
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:4ftr, PDBe:4ftr, PDBj:4ftr
PDBsum4ftr
PubMed
UniProtO14757|CHK1_HUMAN Serine/threonine-protein kinase Chk1 (Gene Name=CHEK1)

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