3puw: Difference between revisions
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== Function == | == Function == | ||
[https://www.uniprot.org/uniprot/MALE_ECOLI MALE_ECOLI] Involved in the high-affinity maltose membrane transport system MalEFGK. Initial receptor for the active transport of and chemotaxis toward maltooligosaccharides. | [https://www.uniprot.org/uniprot/MALE_ECOLI MALE_ECOLI] Involved in the high-affinity maltose membrane transport system MalEFGK. Initial receptor for the active transport of and chemotaxis toward maltooligosaccharides. | ||
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== Publication Abstract from PubMed == | |||
ATP-binding cassette transporters are powered by ATP, but the mechanism by which these transporters hydrolyze ATP is unclear. In this study, four crystal structures of the full-length wild-type maltose transporter, stabilized by adenosine 5'-(beta,gamma-imido)triphosphate or ADP in conjunction with phosphate analogs , , or , were determined to 2.2- to 2.4-A resolution. These structures led to the assignment of two enzymatic states during ATP hydrolysis and demonstrate specific functional roles of highly conserved residues in the nucleotide-binding domain, suggesting that ATP-binding cassette transporters catalyze ATP hydrolysis via a general base mechanism. | |||
Snapshots of the maltose transporter during ATP hydrolysis.,Oldham ML, Chen J Proc Natl Acad Sci U S A. 2011 Aug 8. PMID:21825153<ref>PMID:21825153</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
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==See Also== | ==See Also== | ||
*[[Maltose-binding protein 3D structures|Maltose-binding protein 3D structures]] | *[[Maltose-binding protein 3D structures|Maltose-binding protein 3D structures]] | ||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
