Sequence Cluster id id2 desc organism isHeteromeric 1 Cluster1 SwissProt::Q1M7A2 MCTP_RHIL3 Monocarboxylate transport permease protein Rhizobium leguminosarum bv. viciae (strain 3841) 2 Cluster1 TCDB::Q8VM88 2.A.21.4.1 The monocarboxylate uptake (H+ symport?) permease, MctP (transports lactate (Km = 4.4 μM), pyruvate (Km = 3.8), propionate, butyrate (butanoic acid), α-hydroxybutyrate, L- and D-alanine (Km = 0.5 mM), and possibly cysteine and histidine) Rhizobium leguminosarum (biovar viciae) 3 Cluster1 UniProt::B2T7V3 Na+/solute symporter