Sequences of the NPS-1 and TLE-1 β-Lactamase Genes

Abstract
The NPS-1 and TLE-1 β-lactamase genes were cloned and sequenced. NPS-1 differed from LCR-1 β-lactamase in 8 of 260 amino acids. TLE-1 differed from TEM-1 by a single Asp(115)→Gly substitution and has been renamed TEM-90.