... byimmunoblot.Mutational analysis of the putative catalytic and zinc-binding residues of G1L utilizing a trans complementation assayFigure 4Mutational analysis of the putative catalytic and zinc-binding residues of ... to wild type G1L and is the culmination of two independent experiments. With the exception of wild type G1L, the E120A mutant and, to alesser extent the E35A mutant, none of the other mutantswere ... (TET)-dependentrecombinant VV, vvtetO :G1L. The construction of vvtetO :G1L is described in detail in 27. Briefly, the TEToperator was inserted directly upstream of the G1L openreading frame. When...