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heme b synthase Members of this family are AhbD (alternative heme biosynthetic protein D), a radical SAM enzyme in sulfate-reducing bacteria and methanogens that performs the last decarboxylations to synthesize heme b from Fe-coproporphyrin III. Members include DVU_0855, previously included in error in TIGR04055, the NirJ2 family thought to be involved in heme d1 biosynthesis. [Biosynthesis of cofactors, prosthetic groups, and carriers, Heme, porphyrin, and cobalamin] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",