1ush | pdb_00001ush

5'-NUCLEOTIDASE FROM E. COLI

spinqualitylabelsall models 1ush, resolution 1.73Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1ush is a 1 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CO3, SO4, ZN Gene: USHA (Escherichia coli) Activity: 5'-nucleotidase, with EC number 3.1.3.5 Resources: FirstGlance, OCA, RCSB, PDBsum Function [USHA_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 PubMed The 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 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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