D-ribulose 5-phosphate = (2S)-2-hydroxy-3-oxobutyl phosphate + formate + H(+)
d-ribulose 5-phosphate = (2s)-2-hydroxy-3-oxobutyl phosphate + formate + h(+)
"L-3,4-dihydroxybutan-2-one-4-phosphate synthase"
"l-3,4-dihydroxybutan-2-one-4-phosphate synthase"