[Term] id: PR:000022953 name: hydrogenase-2 small chain def: "A protein that is a translation product of the Escherichia coli K-12 hybO gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "HYD2" RELATED [] synonym: "hybO" EXACT PRO-short-label [PRO:DNx] synonym: "yghV" RELATED [] synonym: "NiFe hydrogenase" RELATED [] synonym: "membrane-bound hydrogenase 2 small subunit" EXACT [] is_a: PR:000000001 ! protein