(2R,3S)-catechin + NADP(+) + H2O = (2R,3S,4S)-leucocyanidin + NADPH + H(+)
(2r,3s)-catechin + nadp(+) + h2o = (2r,3s,4s)-leucocyanidin + nadph + h(+)
(2R,3S)-catechin + NADP(+) + H2O = (2R,3S,4S)-leucocyanidin + NADPH + H(+)
(2r,3s)-catechin + nadp(+) + h2o = (2r,3s,4s)-leucocyanidin + nadph + h(+)