… We, thus, sequenced the DNA of the chromosomal PER-1 gene. … class A P-lactamases,
the PER-1 protein sequence differs not only from all sequenced ESbla but also from the class A …

… class of betalactamase and are discussed throughout this review. The first beta-lactamase
crystal structure to be determined was for the class A beta-lactamase from Staphylococcus …

… controlled -lactamases (15, 16), although these results have yet to be corroborated. Here we
describe the sequence analysis of the S. maltophilia L2 -lactamase and present the kinetics …

… This work details the sequence of the second carbapenemhydrolyzing class A P-lactamase
from … the cloning and DNA and protein analyses of the carbapenem-hydrolyzing,B-lactamase …

… acid sequence had a hydrophobic region that is known to be a common 1B-lactamase …
Taking into account that ROB-1 has the same length as the Bacillus licheniformis ,B-lactamase, …

Background Extended-spectrum β-lactamases (ESBLs) in Gram-negative organisms is now
a major concern in Enterobacteriaceae worldwide. This study determined a point-…

… -lactamases. The conserved STFK and KTG motifs were identified in the ARI-1 protein sequence,
… Imipenem resistance was attributed to a novel serine β-lactamase, ARI-1 (15), and was …

… the sequence of the L1 gene and compares the deduced amino acid sequence to that of the
reported N-terminal sequence … amino acid residue sequence of the L1 fl-lactamase from X. …

… Over 40% of the isolates collected carried genes encoding an OXA-type β-lactamase;
however, none of the genes identified by sequence analysis encoded enzymes with an extended …

… B consists of the mechanistically distinct Bacillus cereus P-lactamase II, which preliminary
partial sequence analysis … It is predicted that sequence analysis will show that further classes …