Title : Active-site mutants of beta-lactamase: use of an inactive double mutant to study requirements for catalysis.

Pub. Date : 1986 Jan 28

PMID : 3513828






1 Functional Relationships(s)
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1 We have studied the catalytic activity and some other properties of mutants of Escherichia coli plasmid-encoded RTEM beta-lactamase (EC 3.5.2.6) with all combinations of serine and threonine residues at the active-site positions 70 and 71. Serine beta-lactamase Escherichia coli