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p16-INK4a is a nuclear protein that regulates the cell cycle by inhibiting cyclin-dependent kinase-4 (CDK4) and CDK6. p16-INK4a inhibits CDK activity by binding to the CDK molecules in a manner that interferes with their ability to interact with cyclin D. This activity has the effect of suppressing tumor formation and growth, and of inducing replicative senescence in various normal cells, including stem cells. The expression of p16-INK4a steadily increases with age, and tends to accumulate in stem cell compartments. The deletion, rearrangement, or mutation of the p16-INK4a gene is frequently found in melanomas, as well as in certain other types of cancer. Recombinant Human p16-INK4a is a 16.5 kDa protein containing 156 amino acid residues.
Kim, W.Y. and Sharpless, N.E. (2006) Cell 127(2):265-75.
Source: E.coli
Synonyms: Cyclin-dependent kinase inhibitor 2A, Cyclin-dependent kinase 4 inhibitor A, CDK4I, p16INK4A, p16-INK4, Multiple tumor suppressor 1, MTS-1
AA Sequence: MEPAAGSSME PSADWLATAA ARGRVEEVRA LLEAGALPNA PNSYGRRPIQ VMMMGSARVA ELLLLHGAEP NCADPATLTR PVHDAAREGF LDTLVVLHRA GARLDVRDAW GRLPVDLAEE LGHRDVARYL RAAAGGTRGS NHARIDAAEG PSDIPD
Purity: ≥ 95% by SDS-PAGE gel and HPLC analyses.
Biological Activity: Not available.
Calculated Molecular Weight: 16.5 kDa
Accession Number: P42771
Gene ID: 1029
Endotoxin: Endotoxin level is < 0.1 ng/ug of protein (< 1 EU/ug)
Note:
100μg is the largest vial size for this product.
Larger sizes supplied as multiple 100μg vials.
