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Tbio
CDKN1B
Cyclin-dependent kinase inhibitor 1B

Protein Summary
Description
Important regulator of cell cycle progression. Inhibits the kinase activity of CDK2 bound to cyclin A, but has little inhibitory activity on CDK2 bound to SPDYA (PubMed:28666995). Involved in G1 arrest. Potent inhibitor of cyclin E- and cyclin A-CDK2 complexes. Forms a complex with cyclin type D-CDK4 complexes and is involved in the assembly, stability, and modulation of CCND1-CDK4 complex activation. Acts either as an inhibitor or an activator of cyclin type D-CDK4 complexes depending on its phosphorylation state and/or stoichometry. This gene encodes a cyclin-dependent kinase inhibitor, which shares a limited similarity with CDK inhibitor CDKN1A/p21. The encoded protein binds to and prevents the activation of cyclin E-CDK2 or cyclin D-CDK4 complexes, and thus controls the cell cycle progression at G1. The degradation of this protein, which is triggered by its CDK dependent phosphorylation and subsequent ubiquitination by SCF complexes, is required for the cellular transition from qui ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000228872
  • ENSP00000228872
  • ENSG00000111276

Symbol
  • KIP1
  • KIP1
  • MEN4
  • CDKN4
  • MEN1B
  • P27KIP1
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
biological process
1
biological term
1
chemical
1
hub protein
1
kinase
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: 1437.66   (req: < 5)
Gene RIFs: 759   (req: <= 3)
Antibodies: 2501   (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: 1437.66   (req: >= 5)
Gene RIFs: 759   (req: > 3)
Antibodies: 2501   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 54
Tchem

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

Active Ligand: 0
Tclin

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

Active Drug: 0