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HBP1 Antibody, Rabbit PAb, Antigen Affinity Purified

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Expression host: E. coli  
  • Slide 1
14127-H09E-20
14127-H09E-100
20 µg 
100 µg 
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HBP1 antibody Background

HBP1 is a sequence-specific DNA-binding transcription factor. It is involved in many biological processes. It was reported that HBP1 binds to p16(INK4A) promoter and activates p16(INK4A) expression. We found that trichostatin A (TSA), an inhibitor of HDAC (histone deacetylase), induces p16(INK4A) expression in an HBP1-dependent manner. HBP1 activates or represses the expression of some specific genes during cell growth and differentiation. HBP1 was acetylated by p300/CBP in two regions: repression domain (K297/305/307) and P domain (K171/419). HBP1 acetylation after TSA treatment was confirmed by immunoprecipitation assay. HBP1 interacted with histone acetyltransferase p300 and CREB-binding protein (CBP) and also recruited p300/CBP to p16(INK4A) promoter. HBP1 acetylation at K419 plays an important role in HBP1-induced p16(INK4A) expression.

Human HBP1 antibody References
  • Tevosian SG. et al., 1997, Genes Dev. 11 (3): 383-96.
  • Lavender P. et al., 1997, Oncogene. 14 (22): 2721-8.
  • Swanson. et al., 2004, Nat Struct Mol Biol. 11 (8): 738-46.
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