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From Proteopedia
5'-NUCLEOTIDASE FROM E. COLI
Structural highlights
FunctionUSHA_ECOLI Degradation of external UDP-glucose to uridine monophosphate and glucose-1-phosphate, which can then be used by the cell. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedThe crystal structure of 5'-nucleotidase (5'-NT) from E. coli, also known as UDP-sugar hydrolase, has been determined at 1.7 A resolution. Two zinc ions are present in the active site, which is located in a cleft between two domains. The dimetal center and a catalytic Asp-His dyad are the main players in the catalytic mechanism. Structure-based sequence comparisons show that the structure also provides a model for animal 5'-NTs, which together with other ectonucleotidases terminate the action of nucleotides as extracellular signaling substances in the nervous system. X-ray structure of the Escherichia coli periplasmic 5'-nucleotidase containing a dimetal catalytic site.,Knofel T, Strater N Nat Struct Biol. 1999 May;6(5):448-53. PMID:10331872[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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