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Properties of Mutant SHV-5 β-Lactamases Constructed by Substitution of Isoleucine or Valine for Methionine at Position 69

The effect of replacement of Met-69 by Ile or Val on the properties of the extended-spectrum β-lactamase SHV-5 was studied. Mutant enzymes were constructed by site-specific mutagenesis and expressed under isogenic conditions in Escherichia coli DH5α cells. Compared with SHV-5, the mutant β-lactamase...

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Autori principali: Giakkoupi, Panagiota, Miriagou, Vivi, Gazouli, Maria, Tzelepi, Eva, Legakis, Nicholas J., Tzouvelekis, Leonidas S.
Natura: Artigo
Lingua:Inglês
Pubblicazione: American Society for Microbiology 1998
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC105805/
https://ncbi.nlm.nih.gov/pubmed/9593168
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