[Term] id: PR:000023604 name: glycine betaine/proline betaine-binding periplasmic protein def: "A protein that is a translation product of the Escherichia coli K-12 proX gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "proX" EXACT PRO-short-label [PRO:DNx] synonym: "glycine betaine-binding periplasmic protein" EXACT [] synonym: "proU" RELATED [] property_value: has_archetype PR:P0AFM2 is_a: PR:000000001 ! protein