ID 4.1.1.126 DE anhydromevalonate phosphate decarboxylase. CA (2E)-3-methyl-5-phosphooxypent-2-enoate + H(+) = isopentenyl phosphate + CA CO2. CC -!- The enzyme catalyzes a step in the archaeal prenyl diphosphate CC biosynthesis pathway. CC -!- It requires a prenylated flavin cofactor that is produced by CC EC 2.5.1.129. DR Q9YA60, AMPD_AERPE ; O28630, AMPD_ARCFU ; Q58533, AMPD_METJA ; DR Q8PWQ0, AMPD_METMA ; P22349, AMPD_METSM ; P41655, AMPD_METTH ; DR O58701, AMPD_PYRHO ; //