Structure of PDB 3ot3 Chain A

Receptor sequence
>3ot3A (length=259) Species: 9606 (Homo sapiens) [Search protein sequence]
FVEDWDLVQTLGEGAGEVQLAVNRVTEEAVAVKIVDMENIKKEICINKML
NHENVVKFYGHRREGNIQYLFLEYCSGGELFDRIEPDIGMPEPDAQRFFH
QLMAGVVYLHGIGITHRDIKPENLLLDERDNLKISDFGLATVFRYNNRER
LLNKMCGTLPYVAPELLKRREFHAEPVDVWSCGIVLTAMLAGELPWDQPS
DSCQEYSDWKEKKTYLNPWKKIDSAPLALLHKILVENPSARITIPDIKKD
RWYNKPLKK
3D structure
PDB3ot3 Discovery of pyrazolo[1,5-a]pyrimidine-based CHK1 inhibitors: A template-based approach-Part 2.
ChainA
Resolution1.44 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) D118 K120 E122 N123 D136 T158
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 22K A L15 G16 A36 V68 C87 E91 L137 K270 K271 L11 G12 A31 V56 C75 E79 L125 K258 K259 MOAD: ic50=0.005uM
PDBbind-CN: -logKd/Ki=8.30,IC50=5nM
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:3ot3, PDBe:3ot3, PDBj:3ot3
PDBsum3ot3
PubMed21094607
UniProtO14757|CHK1_HUMAN Serine/threonine-protein kinase Chk1 (Gene Name=CHEK1)

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