all-trans-4,4'-diapolycopen-4-oate + AH2 + H(+) => all-trans-4,4'-diapolycopen-4-al + A + H2O
all-trans-4,4'-diapolycopen-4-oate + ah2 + h(+) => all-trans-4,4'-diapolycopen-4-al + a + h2o
all-trans-4,4'-diapolycopen-4-oate + AH2 + H(+) => all-trans-4,4'-diapolycopen-4-al + A + H2O
all-trans-4,4'-diapolycopen-4-oate + ah2 + h(+) => all-trans-4,4'-diapolycopen-4-al + a + h2o