Table 2.
Representative MacB superfamily TEPs.
| Protein | Organism(s) | Complex | Substrate(s) | Function(s) | References |
|---|---|---|---|---|---|
| MacB | Gram-negative bacteria | MacAB-TolC (TEP) | Enterotoxin STII, Erythromycin, Colistin, Bacitracin, Kanamycin, Glycolipids, Protoporphyrin | Toxin secretion Antibiotic resistance Cell envelope biogenesis? Detoxification? | Kobayashi et al., 2001; Yamanaka et al., 2008; Lu and Zgurskaya, 2013; Turlin et al., 2014; Crow et al., 2017 |
| PvdT | Pseudomonas aeruginosa | PvdRT-OpmQ (TEP) | Pyoverdine | Siderophore export Virulence? | Imperi et al., 2009; Hannauer et al., 2012 |
| AatP | Enteroaggregative E. coli (EAEC) | AatABCP (TEP) | Dispersin | Biofilm dispersal signaling | Nishi et al., 2003; Velarde et al., 2007 |
| DevC | Anabaena sp. | DevABC-TolC | Glycolipids | Heterocyst envelope biogenesis | Staron et al., 2011, 2014 |
| CexP | Enterotoxigenic E. coli (ETEC) | CexPABC | CexE? | CexE secretion? | Pilonieta et al., 2007 |