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. Confers resistance against macrolides.

Belongs to the ABC transporter superfamily. Macrolide exporter (TC 3.A.1.122) family.

648 amino acids

MTALLELCNVSRSYPSGEEQVAVLKDISLQIHAGEMVAIVGVSGSGKSTLMNILGCLDKPTSGTYRVAGRDVSTLDPDALAQLRREHFGFIFQRYHLLSHLTAAQNVEIPAVYAGIERKKRQARARELLLRLGLSDRVDYPPSQLSGGQQQRVSIARALMNGGQVILADEPTGALDSHSGEEVMAILRQLRDRGHTVIIVTHDPLIAAQAERIIEIHDGKIVHNPPAQEKKREQGVDAAVVNTAPGWRQFASSFREALSMAWLAMAANKMRTLLTMLGIIIGIASVVSIVVVGDAAKQMVLADIRAMGTNTIDIHPGKDFGDDNPQYRQALKYDDLVAIQKQPWVNSATPSVSKSLRLRYGNIDIAVNANGVSGDYFNVYGMSFREGNTFNAVQQQDRAQVVVLDANTRRQLFPNKANVVGEVVLAGNMPVIVIGVAEEKPSMYGNSNLLQVWLPYSTMSDRIMGQSWLNSITVRVKDGVDSDQAEQQLTRLLTLRHGKKDFFTWNMDSVLKTAEKTTYTLQLFLTLVAVISLVVGGIGVMNIMLVSVTERTREIGIRMAVGARASDVLQQFLIEAVLVCLVGGALGISLSMFIAFMLQLFLPGWEIGFSLTALASAFLCSTFTGILFGWLPARNAARLDPVDALARE

70.8 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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