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chorismate mutase related enzymes This subfamily includes two enzymes which are variants on the mechanism of chorismate mutase and are likely to have evolved from an ancestral chorismate mutase enzyme. 4-amino-4-deoxy-chorismate mutase produces amino-deoxy-prephenate which is subsequently converted to para-dimethylamino-phenylalanine, a component of the natural product pristinamycin. Isochorismate-pyruvate lyase presumably catalyzes the same type of 2+2+2 cyclo-rearrangement as chorismate mutase, but acting on isochorismate, this results in two broken bonds instead of one broken and one made. The product of this reaction is salicylate (2-hydroxy-benzoate) which is also incorporated into various natural products.
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Jiyao W et al.(2023). "The conserved domain database in 2023.",