The HGNC Solute Carrier Family Series Total   SLC1: The high affinity glutamate and neutral amino acid transporter family 7   SLC2: The facilitative GLUT transporter family 14   SLC3: The heavy subunits of the heteromeric amino acid transporters 2   SLC4: The bicarbonate transporter family 11   SLC5: The sodium glucose cotransporter family 12   SLC6: The sodium- and chloride- dependent neurotransmitter transporter family 20   SLC7: The cationic amino acid transporter/glycoprotein-associated family 14   SLC8: The Na+/Ca2+ exchanger family 3   SLC9: The Na+/H+ exchanger family 11   SLC10: The sodium bile salt cotransport family 6   SLC11: The proton coupled metal ion transporter family 2   SLC12: The electroneutral cation-Cl cotransporter family 9   SLC13: The human Na+-sulfate/carboxylate cotransporter family 5   SLC14: The urea transporter family 2   SLC15: The proton oligopeptide cotransporter family 4   SLC16: The monocarboxylate transporter family 14   SLC17: The vesicular glutamate transporter family 8   SLC18: The vesicular amine transporter family 3   SLC19: The folate/thiamine transporter family 3   SLC20: The type III Na+-phosphate cotransporter family 2   SLC21/SLCO: The organic anion transporting family 20   SLC22: The organic cation/anion/zwitterion transporter family 18   SLC23: The Na+-dependent ascorbic acid transporter family 4   SLC24: The Na+/(Ca2+-K+) exchanger family 6   SLC25: The mitochondrial carrier family 46   SLC26: The multifunctional anion exchanger family 11   SLC27: The fatty acid transport protein family 6   SLC28: The Na+-coupled nucleoside transport family 3   SLC29: The facilitative nucleoside transporter family 4   SLC30: The zinc efflux family 10   SLC31: The copper transporter family 2   SLC32: The vesicular inhibitory amino acid transporter family 1   SLC33: The Acety-CoA transporter family 1   SLC34: The type II Na+-phosphate cotransporter family 3   SLC35: The nucleoside-sugar transporter family 23   SLC36: The proton-coupled amino acid transporter family 4   SLC37: The sugar-phosphate/phosphate exchanger family 4   SLC38: The System A & N, sodium-coupled neutral amino acid transporter family 6   SLC39: The metal ion transporter family 14   SLC40: The basolateral iron transporter family 1   SLC41: The MgtE-like magnesium transporter family 3   SLC42: The Rh ammonium transporter family (pending) 3   SLC43: Na+-independent, system-L like amino acid transporter family 3   SLC44: Choline-like transporter family 5   SLC45: Putative sugar transporter family 4   SLC46: Heme transporter family 3   TOTAL 360 References: Hediger MA, Romero MF, Peng JB, Rolfs A, Takanaga H, Bruford EA. The ABCs of solute carriers: physiological, pathological and therapeutic implications of human membrane transport proteins: Introduction. Pflugers Arch. 2004 Feb;447(5):465-8.