maleate + pyruvate + H(+) => 3-maleylpyruvate + H2O
maleate + pyruvate + h(+) => 3-maleylpyruvate + h2o
maleate + pyruvate + H(+) => 3-maleylpyruvate + H2O
maleate + pyruvate + h(+) => 3-maleylpyruvate + h2o