Description
Product Characteristics: FUNCTION: Facilitative glucose transporter. This isoform likely mediates the bidirectional transfer of glucose across the plasma membrane of hepatocytes and is responsible for uptake of glucose by the beta cells, may comprise part of the glucose-sensing mechanism of the beta cell. May also participate with the Na+/glucose cotransporter in the transcellular transport of glucose in the small intestine and kidney. Defects in SLC2A2 are the cause of Fanconi-Bickel syndrome (FBS). FBS is a rare, well-defined clinical entity, inherited in an autosomal recessive mode and characterized by hepatorenal glycogen accumulation, proximal renal tubular dysfunction, and impaired utilization of glucose and galactose. SUBCELLULAR LOCATION: Membrane, Multi-pass membrane protein. TISSUE SPECIFICITY: Liver, insulin-producing beta cell, small intestine and kidney. In embryo, expressed in endoderm layer of yolk sac and liver primordium.
Synonyms: Solute carrier family 2, facilitated glucose transporter member 2, GLUT-2, SLC2A2, GLUT2
Target Information: Glucose transporter 2 isoform is an integral plasma membrane glycoprotein of the liver, islet beta cells, intestine, and kidney epithelium. It mediates facilitated bidirectional glucose transport. Because of its low affinity for glucose, it has been suggested as a glucose sensor. [provided by RefSeq, Jul 2008]