The emerging periplasm-localized subclass of AroQ chorismate mutases, exemplified by those from Salmonella typhimurium and Pseudomonas aeruginosa

Table 1 Gene families for cyclohexadienyl mutase

^*Class I and Class II specify independent homology groups (analogs). ^†Chorismate mutases are shown in bold. ^‡In view of the closely related tertiary structures of the Saccharomyces cerevisiae chorismate mutase and the E. coli AroQ domain of AroQPheA [9], the placement of AroR within class I is consistent with the suggestion of MacBeath et al. [8].

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