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Tchem
CDKN1A
Cyclin-dependent kinase inhibitor 1

Protein Summary
Description
May be involved in p53/TP53 mediated inhibition of cellular proliferation in response to DNA damage. Binds to and inhibits cyclin-dependent kinase activity, preventing phosphorylation of critical cyclin-dependent kinase substrates and blocking cell cycle progression. Functions in the nuclear localization and assembly of cyclin D-CDK4 complex and promotes its kinase activity towards RB1. At higher stoichiometric ratios, inhibits the kinase activity of the cyclin D-CDK4 complex. Inhibits DNA synthesis by DNA polymerase delta by competing with POLD3 for PCNA binding (PubMed:11595739). This gene encodes a potent cyclin-dependent kinase inhibitor. The encoded protein binds to and inhibits the activity of cyclin-cyclin-dependent kinase2 or -cyclin-dependent kinase4 complexes, and thus functions as a regulator of cell cycle progression at G1. The expression of this gene is tightly controlled by the tumor suppressor protein p53, through which this protein mediates the p53-dependent cell cycle ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000244741
  • ENSP00000244741
  • ENSG00000124762
  • ENST00000373711
  • ENSP00000362815
  • ENST00000405375
  • ENSP00000384849
  • ENST00000448526
  • ENSP00000409259
  • ENST00000615513
  • ENSP00000482768

Symbol
  • CAP20
  • CDKN1
  • CIP1
  • MDA6
  • PIC1
  • SDI1
  • WAF1
  • P21
  • CIP1
  • SDI1
  • WAF1
  • CAP20
  • CDKN1
  • MDA-6
  • p21CIP1
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
biological process
1
chemical
1
hub protein
1
kinase
1
PubMedID
1


Protein Classes
No PANTHER Classes or DTO Classes found
IDG Development Level Summary
Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 3468.65   (req: < 5)
Gene RIFs: 1291   (req: <= 3)
Antibodies: 2233   (req: <= 50)
Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 3468.65   (req: >= 5)
Gene RIFs: 1291   (req: > 3)
Antibodies: 2233   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 52
Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligands: 4
Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0