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Unless otherwise stated all data on this page refer to the human proteins. Gene information is provided for human (Hs), mouse (Mm) and rat (Rn).
The B vitamins folic acid and thiamine are transported across the cell membrane, particularly in the intestine, kidneys and placenta, using pH differences as driving forces. Topological modelling suggests the transporters have 12 TM domains.
FOLT (Reduced folate transporter 1 / SLC19A1) C Show summary » |
ThTr1 (Thiamine transporter 1 / SLC19A2) C Show summary » |
ThTr2 (Thiamine transporter 2 / SLC19A3) C Show summary » |
Database page citation:
SLC19 family of vitamin transporters. Accessed on 02/12/2024. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=194.
Concise Guide to PHARMACOLOGY citation:
Alexander SPH, Fabbro D, Kelly E, Mathie AA, Peters JA, Veale EL, Armstrong JF, Faccenda E, Harding SD, Davies JA et al. (2023) The Concise Guide to PHARMACOLOGY 2023/24: Transporters. Br J Pharmacol. 180 Suppl 2:S374-469.
Loss-of-function mutations in ThTr1 underlie thiamine-responsive megaloblastic anemia syndrome [2].