ID   1.3.1.83
DE   geranylgeranyl diphosphate reductase.
AN   geranylgeranyl reductase.
CA   3 NADP(+) + phytyl diphosphate = geranylgeranyl diphosphate + 3 H(+) +
CA   3 NADPH.
CC   -!- This enzyme also acts on geranylgeranyl-chlorophyll a.
CC   -!- The reaction occurs in three steps.
CC   -!- Which order the three double bonds are reduced is not known.
DR   P26172, BCHP_RHOCB ;  Q9CA67, CHLP_ARATH ;  Q6Z2T6, CHLP_ORYSJ ;
DR   Q55087, CHLP_SYNY3 ;  Q9ZS34, CHLP_TOBAC ;
//