Macrolide export ATP-binding/permease protein MacB

UniProtKB accession: P75831

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Polymer Entities matching query 6

Go to UniProtKB: P75831

UniProtKB description: Part of the tripartite efflux system MacAB-TolC. MacB is a non-canonical ABC transporter that contains transmembrane domains (TMD), which form a pore in the inner membrane, and an ATP-binding domain (NBD), which is responsible for energy generation. When overexpressed, the system confers resistance against macrolides composed of 14- and 15-membered lactones but no or weak resistance against 16-membered ones. In addition, the system could also transport R-LPS or a similar glycolipid.

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