Primary Citation of Related Structures: 1USH, 2USH
PubMed Abstract:
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 ...
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.
Related Citations:
Nucleotide Sequence and Transcriptional Analysis of the E. Coli Usha Gene, Encoding Periplasmic Udp-Sugar Hydrolase (5'-Nucleotidase): Regulation of the Usha Gene, and the Signal Sequence of its Encoded Protein Product Burns, D.M., Beacham, I.R. (1986) Nucleic Acids Res 14: 4325
Organizational Affiliation:
Institut für Kristallographie, Abteilung Saenger, Freie Universität Berlin, Germany.
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