| Nomenclature | Monocarboxylate transporter 1 | Monocarboxylate transporter 4 | Monocarboxylate transporter 2 | Monocarboxylate transporter 3 |
| Systematic nomenclature | SLC16A1 | SLC16A3 | SLC16A7 | SLC16A8 |
| Common abbreviation | MCT1 | MCT4 | MCT2 | MCT3 |
| HGNC, UniProt | SLC16A1, P53985 | SLC16A3, O15427 | SLC16A7, O60669 | SLC16A8, O95907 |
| Endogenous substrates | β-D-hydroxybutyric acid, L-lactic acid, pyruvic acid | L-lactic acid, pyruvic acid | L-lactic acid, pyruvic acid | L-lactic acid |
| Substrates | γ-hydroxybutyric acid 272 | – | – | – |
| Stoichiometry | 1 H+: 1 monocarboxylate- (out) | 1 H+: 1 monocarboxylate- (out) | 1 H+: 1 monocarboxylate- (out) | 1 H+: 1 monocarboxylate- (out) |
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