ABC-type (ATP-binding cassette-type) ATPase, characterized by the presence of two similar ATP-binding domains. Does not undergo phosphorylation during the transport process. An enzyme found in Gram-negative bacteria that exports β-glucan.
Fath, M.J. and Kolter, R. ABC transporters: bacterial exporters. Microbiol. Rev.57 (1993) 995–1017. [PMID: 8302219]
Becker, A., Kuster, H., Niehaus, K. and Puhler, A. Extension of the Rhizobium meliloti succinoglycan biosynthesis gene cluster: identification of the exsA gene encoding an ABC transporter protein, and the exsB gene which probably codes for a regulator of succinoglycan biosynthesis. Mol. Gen. Genet.249 (1995) 487–497. [PMID: 8544814]
Saier, M.H., Jr. Molecular phylogeny as a basis for the classification of transport proteins from bacteria, archaea and eukarya. Adv. Microb. Physiol.40 (1998) 81–136. [PMID: 9889977]
Griffiths, J.K. and Sansom, C.E. The Transporter Factsbook, Academic Press, San Diego, 1998.