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sulfopyruvate decarboxylase, alpha subunit This model represents the alpha subunit, or the N-terminal region, of sulfopyruvate decarboxylase, an enzyme of coenzyme M biosynthesis. Coenzyme M is found almost exclusively in the methanogenic archaea. However, the enzyme also occurs in Roseovarius nubinhibens ISM in a degradative pathway, where the resulting sulfoacetaldehyde is desulfonated to acetyl phosphate, then converted to acetyl-CoA (see ). [Biosynthesis of cofactors, prosthetic groups, and carriers, Other, Energy metabolism, Methanogenesis]
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