SLC2A3 is a symbol for the gene, Solute carrier family 2 (facilitated glucose transporter), member 3, in humans. Other names include: Solute carrier family 2, facilitated glucose transporter member 3; GLUT-3; Glucose transporter type 3, brain; GLUT3. The encoded protein has an amino acid length of 496 and a mass of 53.9 kDa. Other isoforms may exist. SLC2A3 is a member of the Major facilitator superfamily, Sugar transporter (TC 2.A.1.1) family, Glucose transporter subfamily. This gene shares homology with other species, including: Fly, Rat.