Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
FEMS microbiology letters
70 (1990), S. 0
ISSN:
1574-6968
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
The Serratia marcescens SR50 chromosomal β-lactamase gene (ampC) was cloned and sequenced. It contains 1128 nucleotides encoding a protein of 355 amino acids preceded by 21 amino acids which probably constitutes the signal peptide. The mature protein has a predicted molecular mass of 38 901 Da. About 40% of the amino acid sequence was identical among AmpC β-lactamases resided in S. marcescens, Citrobacter freundii OS60, Escherichia coli K12 and Enterobacter cloacae P99. All of these enzymes are highly similar around the active site serine at the position 59 of the mature enzyme.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1574-6968.1990.tb13992.x
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