pfam02675: AdoMet_dc (This model is not part of the current CDD release)
S-adenosylmethionine decarboxylase
This family contains several S-adenosylmethionine decarboxylase proteins from bacterial and archaebacterial species. S-adenosylmethionine decarboxylase (AdoMetDC), a key enzyme in the biosynthesis of spermidine and spermine, is first synthesised as a proenzyme, which is cleaved post translationally to form alpha and beta subunits. The alpha subunit contains a covalently bound pyruvoyl group derived from serine that is essential for activity.