Compound as reactive (1)
3 NADP+ + chlorophyll a ← 3 NADPH + 3 H+ + geranylgeranyl chlorophyll a
Compound as product (1)
H+ + geranylgeranyl diphosphate + chlorophyllide a → diphosphate + geranylgeranyl chlorophyll a
Reversible reaction (1)
NADPH + H+ + geranylgeranyl chlorophyll a ↔ NADP+ + dihydrogeranylgeranyl chlorophyll a