2.5.1.3	thiamine phosphate synthase	thiamine diphosphate biosynthesis IV (eukaryotes)	
2.7.6.2	thiamine diphosphokinase	thiamine diphosphate biosynthesis IV (eukaryotes)	
3.1.3.100	thiamine phosphate phosphatase	thiamine diphosphate biosynthesis IV (eukaryotes)