bacteriochlorophyllide a + (2E,6E,10E)-geranylgeranyl diphosphate + H(+) = geranylgeranyl-bacteriochlorophyllide a + diphosphate
bacteriochlorophyllide a + (2e,6e,10e)-geranylgeranyl diphosphate + h(+) = geranylgeranyl-bacteriochlorophyllide a + diphosphate