[Term] id: PR:000022317 name: cytosine permease def: "A protein that is a translation product of the Escherichia coli K-12 codB gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "codB" EXACT PRO-short-label [PRO:DNx] is_a: PR:000000001 ! protein