[Term] id: PR:000024117 name: tryptophan synthase alpha chain def: "A protein that is a translation product of the Escherichia coli K-12 trpA gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "trpA" EXACT PRO-short-label [PRO:DNx] property_value: has_archetype PR:P0A877 is_a: PR:000000001 ! protein