Function and Biology

Complex structure of CDK2/Cyclin E1 and a potent, selective macrocyclic 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 families

Pfam Protein families (Pfam)
PF02984
Domain description: Cyclin, C-terminal domain
Occurring in:
  1. G1/S-specific cyclin-E1
The deposited structure of PDB entry 8h6p contains 1 copy of Pfam domain PF02984 (Cyclin, C-terminal domain) in G1/S-specific cyclin-E1. Showing 1 copy in chain B.

PF00134
Domain description: Cyclin, N-terminal domain
Occurring in:
  1. G1/S-specific cyclin-E1
The deposited structure of PDB entry 8h6p contains 1 copy of Pfam domain PF00134 (Cyclin, N-terminal domain) in G1/S-specific cyclin-E1. Showing 1 copy in chain B.

PF00069
Domain description: Protein kinase domain
Occurring in:
  1. Cyclin-dependent kinase 2
The deposited structure of PDB entry 8h6p contains 1 copy of Pfam domain PF00069 (Protein kinase domain) in Cyclin-dependent kinase 2. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR004367
Domain description: Cyclin, C-terminal domain
Occurring in:
  1. G1/S-specific cyclin-E1
IPR006671
Domain description: Cyclin, N-terminal
Occurring in:
  1. G1/S-specific cyclin-E1
IPR036915
Domain description: Cyclin-like superfamily
Occurring in:
  1. G1/S-specific cyclin-E1
IPR013763
Domain description: Cyclin-like domain
Occurring in:
  1. G1/S-specific cyclin-E1
IPR039361
Domain description: Cyclin
Occurring in:
  1. G1/S-specific cyclin-E1
IPR046965
Domain description: Cyclin A/B-like
Occurring in:
  1. G1/S-specific cyclin-E1
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