Term Name:	4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase activity (ferredoxin)
Synonyms:	(E)-4-hydroxy-3-methylbut-2-en-1-yl-diphosphate:oxidized ferredoxin oxidoreductase activity, (E)-4-hydroxy-3-methylbut-2-enyl diphosphate synthase activity, 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate synthase activity, 1-hydroxy-2-methyl-2-butenyl 4-diphosphate synthase activity
Definition:	Catalysis of the reaction: (E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate + H2O + 2 oxidized ferredoxin = 2-C-methyl-D-erythritol 2,4-cyclodiphosphate + 2 reduced ferredoxin.
Ontology:	GO: Molecular Function [GO:0046429]    QuickGO    AmiGO