Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia

Collatz E, Tran Van Nhieu G, Billot-Klein D, Williamson R, Gutmann L

Substitution of serine for arginine in position 162 of TEM-type beta-lactamases extends the substrate profile of mutant enzymes, TEM-7 and TEM-101, to ceftazidime and aztreonam.

Gene 78:349-54 (1989)
DOI:10.1016/0378-1119(89)90237-0