SLC16 family of monocarboxylate transporters

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).


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Members of the SLC16 family may be divided into subfamilies on the basis of substrate selectivities, particularly lactate (e.g. L-lactic acid), pyruvic acid and ketone bodies, as well as aromatic amino acids. Topology modelling suggests 12 TM domains, with intracellular termini and an extended loop at TM 6/7.

The proton-coupled monocarboxylate transporters (monocarboxylate transporters 1, 4, 2 and 3) allow transport of the products of cellular metabolism, principally lactate (e.g. L-lactic acid) and pyruvic acid.


MCT1 (Monocarboxylate transporter 1 / SLC16A1) Show summary »

MCT2 (Monocarboxylate transporter 2 / SLC16A7) Show summary »

MCT3 (Monocarboxylate transporter 3 / SLC16A8) Show summary »

MCT4 (Monocarboxylate transporter 4 / SLC16A3) Show summary »

MCT5 (Monocarboxylate transporter 5 / SLC16A4) Show summary »

MCT6 (Monocarboxylate transporter 6 / SLC16A5) Show summary »

MCT7 (Monocarboxylate transporter 7 / SLC16A6) Show summary »

MCT8 (Monocarboxylate transporter 8 / SLC16A2) Show summary »

MCT9 (Monocarboxylate transporter 9 / SLC16A9) Show summary »

TAT1 (Monocarboxylate transporter 10 / SLC16A10) Show summary »

MCT11 (Monocarboxylate transporter 11 / SLC16A11) Show summary »

MCT12 (Monocarboxylate transporter 12 / SLC16A12) Show summary »

MCT13 (Monocarboxylate transporter 13 / SLC16A13) Show summary »

MCT14 (Monocarboxylate transporter 14 / SLC16A14) Show summary »


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Further reading

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How to cite this family page

Database page citation:

SLC16 family of monocarboxylate transporters. Accessed on 05/10/2015. IUPHAR/BPS Guide to PHARMACOLOGY,

Concise Guide to PHARMACOLOGY citation:

Alexander SPH, Benson HE, Faccenda E, Pawson AJ, Sharman JL, Spedding M, Peters JA and Harmar AJ, CGTP Collaborators. (2013) The Concise Guide to PHARMACOLOGY 2013/14: Transporters. Br J Pharmacol. 170: 1706–1796.