Beta-glucan-transporting ATPase explained

In enzymology, a beta-glucan-transporting ATPase is an enzyme that catalyzes the chemical reaction

ATP + H₂O + beta-glucan_in

\rightleftharpoons ADP + phosphate + beta-glucan_out

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

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 (beta-glucan-exporting).

References

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• Becker A, Kuster H, Niehaus K, Puhler A . 1995 . 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 . 487 - 97 . 8544814 . 10.1007/BF00290574 . 5 . 29531372 .
• Saier MH Jr . 1998 . Molecular phylogeny as a basis for the classification of transport proteins from bacteria, archaea and eukarya . Adv. Microb. Physiol. . 40 . 81 - 136 . 9889977 . 10.1016/S0065-2911(08)60130-7 . Advances in Microbial Physiology . 978-0-12-027740-7 .
• Griffiths JK, Sansom CE . The Transporter Factsbook, Academic Press, San Diego, 1998 .