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In enzymology, an oligosaccharide-transporting ATPase (EC 3.6.3.18) is an enzyme that catalyzes the chemical reaction

ATP + H₂O + oligosaccharideout ${\displaystyle \rightleftharpoons }$ ADP + phosphate + oligosaccharidein

The 3 substrates of this enzyme are ATP, H₂O, and oligosaccharide, whereas its 3 products are ADP, phosphate, and oligosaccharide.

This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides to catalyse transmembrane movement of substances. The systematic name of this enzyme class is ATP phosphohydrolase (disaccharide-importing).

References

• Higgins CF (1992). "ABC transporters: from microorganisms to man". Annu. Rev. Cell Biol. 8: 67–113. doi:10.1146/annurev.cb.08.110192.000435. PMID 1282354.
• Kuan G, Dassa E, Saurin W, Hofnung M, Saier MH (1995). "Phylogenetic analyses of the ATP-binding constituents of bacterial extracytoplasmic receptor-dependent ABC-type nutrient uptake permeases". Res. Microbiol. 146 (4): 271–8. doi:10.1016/0923-2508(96)81050-3. PMID 7569321.
• Tam R, Saier MH (1993). "Structural, functional, and evolutionary relationships among extracellular solute-binding receptors of bacteria". Microbiol. Rev. 57 (2): 320–46. PMC 372912. PMID 8336670.
• Saier MH Jr (1998). "Advances in Microbial Physiology Volume 40; Chapter: Molecular Phylogeny as a Basis for the Classification of Transport Proteins from Bacteria, Archaea and Eukarya". Adv. Microb. Physiol. Advances in Microbial Physiology. 40: 81–136. doi:10.1016/S0065-2911(08)60130-7. ISBN 978-0-12-027740-7. PMID 9889977.
• Williams SG, Greenwood JA, Jones CW (1992). "Molecular analysis of the lac operon encoding the binding-protein-dependent lactose transport system and beta-galactosidase in Agrobacterium radiobacter". Mol. Microbiol. 6 (13): 1755–68. doi:10.1111/j.1365-2958.1992.tb01348.x. PMID 1630315.

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