3-oxoisoapionate 4-phosphate + H(+) <=> L-erythrulose 1-phosphate + CO2
3-oxoisoapionate 4-phosphate + h(+) <=> l-erythrulose 1-phosphate + co2
3-oxoisoapionate 4-phosphate + H(+) <=> L-erythrulose 1-phosphate + CO2
3-oxoisoapionate 4-phosphate + h(+) <=> l-erythrulose 1-phosphate + co2