CDKN2B Gene Summary [Human]

This gene lies adjacent to the tumor suppressor gene CDKN2A in a region that is frequently mutated and deleted in a wide variety of tumors. This gene encodes a cyclin-dependent kinase inhibitor, which forms a complex with CDK4 or CDK6, and prevents the activation of the CDK kinases, thus the encoded protein functions as a cell growth regulator that controls cell cycle G1 progression. The expression of this gene was found to be dramatically induced by TGF beta, which suggested its role in the TGF beta induced growth inhibition. Two alternatively spliced transcript variants of this gene, which encode distinct proteins, have been reported. [provided by RefSeq, Jul 2008]

Details

Type
Protein Coding
Official Symbol
CDKN2B
Official Name
cyclin dependent kinase inhibitor 2B [Source:HGNC Symbol;Acc:HGNC:1788]
Ensembl ID
ENSG00000147883
Bio databases IDs NCBI: 1030 Ensembl: ENSG00000147883
Aliases cyclin dependent kinase inhibitor 2B
Synonyms CDK4I, cyclin-dependent kinase inhibitor 2B, INK4B, MTS2, P15, p15INK4b, p15(INK4b)
Species
Human, Homo sapiens
OrthologiesMouseRat

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains in human CDKN2B often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • kinase
  • cyclin-dependent protein kinase inhibitor activity
  • transcription regulator
  • Ankyrin repeats (many copies)
  • protein kinase binding
  • Ankyrin repeats (3 copies)
  • protein binding

Pathways

Biological processes and signaling networks where the CDKN2B gene in human plays a role, providing insight into its function and relevance in health or disease.

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • renal clear cell adenocarcinoma
  • lung cancer
  • epithelial cancer
  • epithelial neoplasia
  • cancer
  • non-small cell lung cancer
  • neoplasia
  • liver cancer
  • tumorigenesis
  • lymphomagenesis
regulated by
regulates
role in cell
  • expression in
  • transformation
  • growth
  • proliferation
  • number
  • differentiation
  • quantity
  • transcription in
  • senescence
  • cell cycle progression

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Nucleus
  • Cytoplasm
  • cytosol

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the human CDKN2B gene, providing context for its role in the cell.

Biological Process

Functions and activities the gene product is involved in
  • negative regulation of glial cell proliferation
  • response to cytokine stimulus
  • cellular response to nutrient
  • negative regulation of cell proliferation
  • cellular senescence
  • spleen development
  • response to organic cyclic compound
  • regulation of cyclin-dependent protein kinase activity
  • negative regulation of phosphorylation
  • cellular response to cell-matrix adhesion
  • cellular response to transforming growth factor beta stimulus
  • megakaryocyte differentiation
  • positive regulation of epithelial cell differentiation
  • liver development
  • negative regulation of epithelial cell proliferation
  • negative regulation of G1/S transition of mitotic cell cycle
  • regulation of G1/S transition of mitotic cell cycle
  • regulation of G0 to G1 transition
  • positive regulation of transforming growth factor beta receptor signaling pathway

Cellular Component

Where in the cell the gene product is active
  • nucleus
  • cytoplasm
  • cytosol

Molecular Function

What the gene product does at the molecular level
  • protein kinase binding
  • protein binding
  • cyclin-dependent protein kinase inhibitor activity

Gene-Specific Assays for Results You Can Trust

Streamline your workflow with assays designed for this gene. Our targeted dPCR and qPCR assays help you generate meaningful data – efficiently and accurately.