GCA_000018585.1 P9211_02701 definition cob(I)alamin adenosyltransferase GCA_000018585.1 P9211_02971 definition Cobalamin-5-phosphate synthase CobS GCA_000018585.1 P9211_05261 definition possible cob(I)alamin adenosyltransferase GCA_000018585.1 P9211_08851 definition cobalamin biosynthetic protein CobN GCA_000018585.1 P9211_09841 definition putative cobalamin synthesis protein GCA_000018585.1 P9211_13641 definition putative cobalamin biosynthetic protein GCA_000018585.1 P9211_15201 definition Cobalamin synthesis protein/P47K