label: 3,4-dihydroxy-2-butanone-4-phosphate synthase activity
label_lc: 3,4-dihydroxy-2-butanone-4-phosphate synthase activity
description: "Catalysis of the reaction: D-ribulose 5-phosphate = (2S)-2-hydroxy-3-oxobutyl phosphate + formate + H+."