(2Z)-2-hydroxypenta-2,4-dienoate + acetate + H(+) => (2Z,4E)-2-hydroxy-6-oxohepta-2,4-dienoate + H2O
(2z)-2-hydroxypenta-2,4-dienoate + acetate + h(+) => (2z,4e)-2-hydroxy-6-oxohepta-2,4-dienoate + h2o
(2Z)-2-hydroxypenta-2,4-dienoate + acetate + H(+) => (2Z,4E)-2-hydroxy-6-oxohepta-2,4-dienoate + H2O
(2z)-2-hydroxypenta-2,4-dienoate + acetate + h(+) => (2z,4e)-2-hydroxy-6-oxohepta-2,4-dienoate + h2o