ID   2.5.1.133
DE   Bacteriochlorophyll a synthase.
CA   Geranylgeranyl diphosphate + bacteriochlorophyllide a = geranylgeranyl-
CA   bacteriochlorophyllide a + diphosphate.
CC   -!- The enzyme catalyzes the addition of a geranylgeranyl hydrophobic
CC       chain to bacteriochlorophyllide a via an ester bond with the
CC       17-propionate residue.
CC   -!- The side chain is later modified to a phytyl chain, resulting in
CC       bacteriochlorophyll a.
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