Nucleotide and amino acid sequences of the metallo-beta-lactamase, ImiS, from Aeromonas veronii bv. sobria.
作者信息
Walsh T R, Neville W A, Haran M H, Tolson D, Payne D J, Bateson J H, MacGowan A P, Bennett P M
机构信息
Bristol Centre for Antimicrobial Research and Evaluation, Department of Microbiology and Pathology, Medical School, University of Bristol, United Kingdom.
出版信息
Antimicrob Agents Chemother. 1998 Feb;42(2):436-9. doi: 10.1128/AAC.42.2.436.
Abstract
The Aeromonas veronii bv. sobria metallo-beta-lactamase gene, imiS, was cloned. The imiS open reading frame extends for 762 bp and encodes a protein of 254 amino acids with a secreted modified protein of 227 amino acids and a predicted pI of 8.1. To confirm the predicted sequence, purified ImiS was digested and the resulting peptides were identified, yielding an identical sequence for ImiS, with 98% identity to CphA. Both possessed the putative active-site sequence Asn-Tyr-His-Thr-Asp at positions 88 to 92, which is unique to the Aeromonas metallo-beta-lactamases.
摘要
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