ID 4.1.2.66 DE 4-coumarate hydratase/lyase. AN 4-hydroxybenzaldehyde synthase. CA (E)-4-coumarate + H2O = 4-hydroxybenzaldehyde + acetate. CC -!- The enzyme has been purified from vanilla pods of the orchid Vanilla CC planifolia. CC -!- It is higly specific for 4-coumarate. CC -!- Similar compounds such as cinnamate, caffeate, sinapate and CC o-coumarate are not substrates. DR P0DO76, 4HBS_VANPL ; //