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G2 mutations fail to complement the motility defect of ΔmglBA. MglA alleles with mutations in residues Asn141, Lys142 and Asp144, which are predicted to interact with the guanine base of GTP fail to complement the deletion phenotype. Mutations shown in this panel are from the G2 region: MxH2338 (N141A), MxH2365 (K142A) and MxH2367 (D144A). The first two bars represent the ΔmglBA parent and control respectively. See Figure 2 legend.
