PBEF1: nicotinamide phosphoribosyltransferase. This gene encodes a protein that catalyzes the condensation of nicotinamide with 5-phosphoribosyl-1-pyrophosphate to yield nicotinamide mononucleotide, one step in the biosynthesis of nicotinamide adenine dinucleotide. The protein is an adipokine that is localized to the bloodstream and has various functions, including the promotion of vascular smooth muscle cell maturation and inhibition of neutrophil apoptosis. It also activates insulin receptor and has insulin-mimetic effects, lowering blood glucose and improving insulin sensitivity. The protein is highly expressed in visceral fat and serum levels of the protein correlate with obesity.
Aliases: VF; PBEF; PBEF1; VISFATIN; NAMPT
Entrez GeneID: 10135
Swissprot : P43490
Host/Isotype: Mouse IgG1
Species Reactivity: Human, Rat, Mouse, Monkey, Rabbit
Immunogen: Purified recombinant fragment of PBEF1 (aa338-479) expressed in E. Coli.
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