The amino acid sequence of the zinc-requiring beta-lactamase II from the bacterium Bacillus cereus 569.
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Ambler RP, Daniel M, Fleming J, Hermoso JM, Pang C, Waley SG
The amino acid sequence of the zinc-requiring beta-lactamase II from the bacterium Bacillus cereus 569.
FEBS Lett. 1985 Sep 23;189(2):207-11.
- PubMed ID
- 3930290 [ View in PubMed]
- Abstract
The amino acid sequence of the zinc-requiring beta-lactamase II from Bacillus cereus strain 569 has been determined. It consists of a single polypeptide chain of 227 residues. It is the only example so far fully characterized of a class B beta-lactamase, and is structurally and mechanistically distinct from both the widely distributed class A beta-lactamases (such as the Escherichia coli RTEM enzyme) and from the chromosomally encoded class C enzymes from Gram-negative bacteria.