نتایج جستجو برای: lactamase inhibitor
تعداد نتایج: 223006 فیلتر نتایج به سال:
Keywords: AmpC β-lactamase Boronic acid-Inhibitor based method E.coli Klebsiella Modified three dimensional method Novel fashion method
Proteins that contain the DUF2874 domain constitute a new Pfam family PF11396. Members of this family have predominantly been identified in microbes found in the human gut and oral cavity. The crystal structure of one member of this family, BVU2987 from Bacteroides vulgatus, has been determined, revealing a β-lactamase inhibitor protein-like structure with a tandem repeat of domains. Sequence a...
Abstract Background To investigate the trends and correlation between antibacterial consumption carbapenem resistance in Gram-negative bacteria from 2012 to 2019 a tertiary-care teaching hospital southern China. Methods This retrospective study included data hospital-wide inpatients collected January December 2019. Data on were expressed as defined daily doses (DDDs)/1000 patient-days. Antibact...
Protein-protein interactions are involved in most biological processes and are important targets for drug design. Over the past decade, there has been increased interest in the design of small molecules that mimic functional epitopes of protein inhibitors. BLIP is a 165 amino acid protein that is a potent inhibitor of TEM-1 beta-lactamase (K(i) = 0.1 nM). To aid in the development of new inhibi...
The stability to beta-lactamase hydrolysis of HR 756, a new cephalosporin antibiotic, was compared to the beta-lactamase stability of cefoxitin and cefuroxime. HR 756, cefoxitin, and cefuroxime were not hydrolyzed by Richmond type I, III, IV, and V beta-lactamases. Antibacterial activity of HR 756 correlated well with resistance to beta-lactamase hydrolysis except against Pseudomonas aeruginosa...
Enzyme-catalyzed therapeutic activation (ECTA) is a novel prodrug strategy to overcome drug resistance resulting from enzyme overexpression. beta-Lactamase overexpression is a common mechanism of bacterial resistance to beta-lactam antibiotics. We present here the results for one of the beta-lactamase ECTA compounds, NB2001, which consists of the antibacterial agent triclosan in a prodrug form ...
The use of ?-lactamase inhibitors in combination with ?-lactam antibiotics is an emerging area drug discovery. This strategy allows the restoration therapeutic efficacy these clinical against multiresistant bacteria. These pathogens are resistant because they express enzymes, which prevent antibiotic action by catalyzing hydrolysis ring. enzymes quite diverse both their structural architecture ...
Metallo-β-lactamases, enzymes which inactivate β-lactam antibiotics, are of increasing biological and clinical significance as a source of antibiotic resistance in pathogenic bacteria. In the present study we describe the high-resolution solution NMR structures of the Bacillus cereus metallo-β-lactamase BcII and of its complex with R-thiomandelic acid, a broad-spectrum inhibitor of metallo-β-la...
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