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p19 is a member of the INK4 family of cyclin-dependent kinase inhibitors. This protein has been shown to form a stable complex with CDK4 or CDK6, and prevent the activation of the CDK kinases, thus function as a cell growth regulator that controls cell cycle G1 progression. The abundance of the transcript of this gene was found to oscillate in a cell-cycle dependent manner with the lowest expression at mid G1 and a maximal expression during S phase. The negative regulation of the cell cycle involved in this protein was shown to participate in repressing neuronal proliferation, as well as spermatogenesis.
Protein Aliases: CDK inhibitor p19INK4d; cell cycle inhibitor, Nur77 associating protein; Cyclin-dependent kinase 4 inhibitor D; cyclin-dependent kinase 4 inhibitor D p19; cyclin-dependent kinase inhibitor 2D (p19, inhibits CDK4); inhibitor of cyclin-dependent kinase 4d; MTS1; p19-INK4d
Gene Aliases: CDKN2D; INK4D; p19; p19-INK4D
UniProt ID: (Human) P55273
Entrez Gene ID: (Human) 1032