Function and Biology

Human CDK2 in complex with olomoucine II, a novel 2,6,9-trisubstituted purine cyclin-dependent kinase inhibitor

EC 2.7.11.22: Cyclin-dependent kinase

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein
Systematic name:
ATP:cyclin phosphotransferase
Alternative Name(s):
  • Bur1
  • Bur1 Cdk
  • CDK
  • Cak1
  • Cak1p
  • Cdc2
  • Cdc2 kinase
  • Cdc28p
  • Cdk-activating kinase
  • Cdk-activating protein kinase
  • Cdk1
  • Cdk2
  • Cdk2
  • Cdk3
  • Cdk4
  • Cdk5
  • Cdk6
  • Cdk7
  • Cdk8
  • Cdk9
  • Cyclin A-activated cdc2
  • Cyclin A-activated cdk2
  • Cyclin D-cdk6 kinase
  • Cyclin D-dependent kinase
  • Cyclin E kinase
  • Cyclin-A associated kinase
  • Cyclin-dependent kinase 6
  • Cyclin-dependent kinase-2
  • Cyclin-dependent kinase-4
  • Cyclin-dependent protein kinase activating kinase
  • Cyk
  • D-type cyclin kinase
  • Nclk
  • Neuronal cdc2-like kinase
  • PCTAIRE-1
  • STK25

GO terms

Biochemical function:
Biological process:
Cellular component:

Sequence family

Pfam Protein family (Pfam)
PF00069
Domain description: Protein kinase domain
Occurring in:
  1. Cyclin-dependent kinase 2
The deposited structure of PDB entry 2a0c contains 1 copy of Pfam domain PF00069 (Protein kinase domain) in Cyclin-dependent kinase 2. Showing 1 copy in chain A [auth X].

InterPro InterPro annotations
IPR008271
Domain description: Serine/threonine-protein kinase, active site
Occurring in:
  1. Cyclin-dependent kinase 2
IPR017441
Domain description: Protein kinase, ATP binding site
Occurring in:
  1. Cyclin-dependent kinase 2
IPR000719
Domain description: Protein kinase domain
Occurring in:
  1. Cyclin-dependent kinase 2
IPR011009
Domain description: Protein kinase-like domain superfamily
Occurring in:
  1. Cyclin-dependent kinase 2

Structure domains

CATH CATH domains
1.10.510.10
Class: Mainly Alpha
Architecture: Orthogonal Bundle
Topology: Transferase(Phosphotransferase); domain 1
Homology: Transferase(Phosphotransferase) domain 1
Occurring in:
  1. Cyclin-dependent kinase 2
The deposited structure of PDB entry 2a0c contains 1 copy of CATH domain 1.10.510.10 (Transferase(Phosphotransferase); domain 1) in Cyclin-dependent kinase 2. Showing 1 copy in chain A [auth X].
3.30.200.20
Class: Alpha Beta
Architecture: 2-Layer Sandwich
Topology: Phosphorylase Kinase; domain 1
Homology: Phosphorylase Kinase; domain 1
Occurring in:
  1. Cyclin-dependent kinase 2
The deposited structure of PDB entry 2a0c contains 1 copy of CATH domain 3.30.200.20 (Phosphorylase Kinase; domain 1) in Cyclin-dependent kinase 2. Showing 1 copy in chain A [auth X].
SCOP SCOP annotation
88854
Class: Alpha and beta proteins (a+b)
Fold: Protein kinase-like (PK-like)
Superfamily: Protein kinase-like (PK-like)
Occurring in:
  1. Cyclin-dependent kinase 2
The deposited structure of PDB entry 2a0c contains 1 copy of SCOP domain 88854 (Protein kinases, catalytic subunit) in Cyclin-dependent kinase 2. Showing 1 copy in chain A [auth X].