免疫原
Synthesized peptide derived from human MAFA AA range: 204-254
特异性
This antibody detects endogenous levels of MAFA at Human/Mouse
组成（Formulation）
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.36% sodium azide.
纯化工艺（Immunogen）
The antibody was affinity-purified from mouse serum by affinity-chromatography using specific immunogen.
背景（Background）
MAFA is a transcription factor that binds RIPE3b, a conserved enhancer element that regulates pancreatic beta cell-specific expression of the insulin gene (INS; MIM 176730) (Olbrot et al., 2002 [PubMed 12011435]).[supplied by OMIM, Mar 2008],
功能
function:Acts as a transcriptional factor. Specifically binds the insulin enhancer element RIPE3b and activates insulin gene expression. Cooperates synergistically with NEUROD1 and PDX1. Phosphorylation by GSK3 increases its transcriptional activity and is required for its oncogenic activity. Involved either as an oncogene or as a tumor suppressor, depending on the cell context.,induction:Up-regulated by glucose.,PTM:Ser-14 and Ser-65 appear to be the major phosphorylation sites. Phosphorylated by MAPK13 on serine and threonine residues (Probable). Phosphorylation by GSK3 requires prior phosphorylation of Ser-65 by another kinase. Phosphorylation proceeds then from Ser-61 to Thr-57, Thr-53 and Ser-49. GSK3-mediated phosphorylation increases its transcriptional activity through the recruitment of the coactivator PCAF, is required for its transforming activity and leads to its degradation
其他名称
Transcription factor MafA (Pancreatic beta-cell-specific transcriptional activator) (Transcription factor RIPE3b1) (V-maf musculoaponeurotic fibrosarcoma oncogene homolog A)
Fields
>>Type II diabetes mellitus;>>Maturity onset diabetes of the young
组织表达
Expressed in the islets of Langerhans (at protein level).
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