Structure of PDB 2ycq Chain A

Receptor sequence
>2ycqA (length=285) Species: 9606 (Homo sapiens) [Search protein sequence]
VYPKALRDEYIMSKTLGSGACGEVKLAFERKTCKKVAIKIISKNVETEIE
ILKKLNHPCIIKIKNFFDAEDYYIVLELMEGGELFDKVVGNKRLKEATCK
LYFYQMLLAVQYLHENGIIHRDLKPENVLLSSQEEDCLIKITDFGHSKIL
GETSLMRTLCGTPTYLAPEVLVSVGTAGYNRAVDCWSLGVILFICLSGYP
PFSEHRTQVSLKDQITSGKYNFIPEVWAEVSEKALDLVKKLLVVDPKARF
TTEEALRHPWLQDEDMKRKFQDLLSEENESTALPQ
3D structure
PDB2ycq Structural Characterization of Inhibitor Complexes with Checkpoint Kinase 2 (Chk2), a Drug Target for Cancer Therapy.
ChainA
Resolution2.05 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D347 K349 N352 D368 T387
Catalytic site (residue number reindexed from 1) D122 K124 N127 D143 T162
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 UPX A V234 K249 E273 L303 M304 G307 L354 T367 D368 V24 K39 E48 L78 M79 G82 L129 T142 D143 MOAD: ic50=0.14nM
PDBbind-CN: -logKd/Ki=9.85,IC50=0.14nM
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0005524 ATP binding
Biological Process
GO:0006468 protein phosphorylation

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Molecular Function

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Biological Process
External links
PDB RCSB:2ycq, PDBe:2ycq, PDBj:2ycq
PDBsum2ycq
PubMed21963792
UniProtO96017|CHK2_HUMAN Serine/threonine-protein kinase Chk2 (Gene Name=CHEK2)

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