Title : Genetic and structural characterization of an L201P global suppressor substitution in TEM-1 beta-lactamase.

Pub. Date : 2008 Dec 5

PMID : 18822298






2 Functional Relationships(s)
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1 In order to gain more information concerning the tradeoffs associated with active site substitutions, a genetic selection was used to find second site mutations that partially restore ampicillin resistance levels conferred by an R244A active site TEM-1 beta-lactamase mutant. Ampicillin CD248 molecule Homo sapiens
2 An L201P substitution distant from the active site that enhanced ampicillin resistance levels and increased protein expression levels of the R244A TEM-1 mutant was identified. Ampicillin CD248 molecule Homo sapiens