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Rabbit Anti-CDKN2B / p15 INK4b antibody
p15 INK4b / MTS 2 (Mitotic Inhibitor / Suppressor Protein) is a specific inhibitor of cdk 4 / cdk 6 and is periodically expressed during the cell cycle. Reportedly, p15 INK4b expression is induced approximately 30 fold in human keratinocytes by treatment with TGF beta, suggesting that p15 INK4b may act as an effector of TGF beta mediated cell cycle arrest. p15 INK4b is mapped to chromosome 9p21, a region of frequent loss in a wide variety of cancers.
Function:
Interacts strongly with CDK4 and CDK6. Potent inhibitor. Potential effector of TGF-beta induced cell cycle arrest.
Subunit:
Heterodimer of CDKN2B with CDK4 or CDK6. Isoform 2 does not interact with CDK4 nor CDK6.
Subcellular Location:
Cytoplasm. Note=Also found in the nucleus.
Tissue Specificity:
Isoform 2 is expressed in normal (keratinocytes, fibroblasts) and tumor cell lines.
Similarity:
Belongs to the CDKN2 cyclin-dependent kinase inhibitor family.
Contains 4 ANK repeats.
SWISS:
P42772
Gene ID:
1030
Database links:
Entrez Gene: 1030 Human
Entrez Gene: 12579 Mouse
Entrez Gene: 25164 Rat
Omim: 600431 Human
SwissProt: P42772 Human
SwissProt: P55271 Mouse
SwissProt: P55272 Rat
Unigene: 72901 Human
Unigene: 423094 Mouse
Unigene: 105626 Rat
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