CDKN2B

cyclin dependent kinase inhibitor 2B

Summary

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]

Known Variants33 total

rsidPosition (GRCh37)AllelesClassClinVar
rs32179929:22,003,223C/T3 prime UTR variantbenign
rs10631929:22,003,367G/A3 prime UTR variantpathogenic
rs32179899:22,003,790T/C3 prime UTR variant
rs32179869:22,005,330T/Gregulatory region variantuncertain significance
rs18211516099:22,005,943G/Clikely benign
rs7505287829:22,005,995C/Glikely benign
rs7799344229:22,006,002G/Cuncertain significance
rs12532200319:22,006,017G/Cuncertain significance
rs11678934589:22,006,036G/Auncertain significance
rs626376229:22,006,043G/Abenign
rs18211635559:22,006,050T/Guncertain significance
rs3722847659:22,006,060G/Alikely benign
rs1484211709:22,006,147C/Tconflicting classifications of pathogenicity
rs14225756129:22,006,151C/Glikely benign
rs20694269:22,006,273G/Tbenign
rs9743369:22,006,348C/Tregulatory region variantbenign
rs20694209:22,008,504A/Tbenign
rs2021614369:22,008,775G/Alikely benign
rs3723405579:22,008,779C/Alikely benign
rs15873878209:22,008,787C/Tlikely benign
rs7691680169:22,008,798T/Cuncertain significance
rs14237904819:22,008,804G/Auncertain significance
rs7764440229:22,008,822T/Cuncertain significance
rs3754431569:22,008,831T/Cuncertain significance
rs3699838759:22,008,832T/Cuncertain significance
rs24894841639:22,008,882C/Tuncertain significance
rs7483086799:22,008,905C/Guncertain significance
rs7711515769:22,008,919C/Tuncertain significance
rs18213434049:22,008,924C/Auncertain significance
rs7614148729:22,008,956G/Alikely benign
rs20694199:22,009,337G/Tbenign
rs20694169:22,010,004T/G
rs4954909:22,010,412A/Gupstream gene variant

Gene information from NCBI Gene. Variant classifications from ClinVar.