6-carboxy-5,6,7,8-tetrahydropterin + acetaldehyde + H(+) => 6-pyruvoyl-5,6,7,8-tetrahydropterin + H2O
6-carboxy-5,6,7,8-tetrahydropterin + acetaldehyde + h(+) => 6-pyruvoyl-5,6,7,8-tetrahydropterin + h2o
6-carboxy-5,6,7,8-tetrahydropterin + acetaldehyde + H(+) => 6-pyruvoyl-5,6,7,8-tetrahydropterin + H2O
6-carboxy-5,6,7,8-tetrahydropterin + acetaldehyde + h(+) => 6-pyruvoyl-5,6,7,8-tetrahydropterin + h2o