ID 3.1.3.100 DE thiamine phosphate phosphatase. CA H2O + thiamine phosphate = phosphate + thiamine. CC -!- The enzyme participates in the thiamine biosynthesis pathway in CC eukaryotes and a few prokaryotes. CC -!- These organisms lack EC 2.7.4.16 and need to convert thiamine CC phosphate to thiamine diphosphate, the active form of the vitamin, CC by first removing the phosphate group, followed by diphosphorylation CC by EC 2.7.6.2. DR Q9SU92, PPSP3_ARATH; F4KFT7, TENAC_ARATH; //