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Extension of the substrate spectrum by an amino acid substitution at residue 219 in the Citrobacter freundii cephalosporinase.

The cephalosporinase of Citrobacter freundii GN346 is a class C beta-lactamase, consisting of 361 amino acids and exhibiting the substrate profile of a typical cephalosporinase. On the conversion of a conserved glutamic acid at residue 219 to lysine, the substrate spectrum of the cephalosporinase wa...

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Sonraí Bibleagrafaíochta
Main Authors: Tsukamoto, K, Ohno, R, Sawai, T
Formáid: Artigo
Teanga:Inglês
Foilsithe: 1990
Ábhair:
Rochtain Ar Líne:https://ncbi.nlm.nih.gov/pmc/articles/PMC213260/
https://ncbi.nlm.nih.gov/pubmed/2115867
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