TCDB is operated by the Saier Lab Bioinformatics Group
TCIDNameDomainKingdom/PhylumProtein(s)
2.A.14.1.1









Lactate permease, LctP or LidP (substrates: L-lactate, D-lactate and glycolate) (Núñez et al. 2002).

Bacteria
Proteobacteria
LctP (LldP) of E. coli
2.A.14.1.2









Glycolate permease, GlcA or YghK (substrates: L-lactate, D-lactate and glycolate). 
Encoded in an operon with malate synthase and glycolate oxidase (Moraes and Reithmeier 2012).

Bacteria
Proteobacteria
GlcA or YghK of E. coli
2.A.14.1.3









L-lactate permease
Bacteria
Firmicutes
LutP of Bacillus subtilis
2.A.14.1.4









Putative transporter
Archaea
Euryarchaeota
Putative transporter of Methanopyrus kandleri (gi 20095088)
2.A.14.2.1









Unknown permease
Bacteria
Proteobacteria
LctP homologue of Sulfolobus solfataricus
2.A.14.2.2









Lactate porter, LldP, of 569 aas and 15 or 16 TMSs in a 3 + 3 + 3 + 3 + 3 or 4 TMS arrangement (Dörries et al. 2016).

Bacteria
Proteobacteria
LldT of Desulfococcus multivorans