The developmentally regulated expression of the globin genes depends on upstream regulatory elements termed locus control regions (LCRs). LCRs are associated with powerful enhancer activity that is mediated by the transcription factor NFE2. NFE2 recognition sites are also present in the gene promoters of 2 heme biosynthetic enzymes, PBGD and FECH. NFE2 DNA-binding activity consists of a heterodimer containing an 18-kD Maf protein (MafF, MafG, or MafK) and p45. Both subunits are members of the activator protein-1 superfamily of bZIP proteins. Maf homodimers suppress transcription at NFE2 sites.
Size
100 μg
Concentration
n/a
Applications
Western Blotting (WB),Immunohistochemistry (IHC),Blocking Peptide (BP)