2.7.6.3	2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase	6-hydroxymethyl-dihydropterin diphosphate biosynthesis III (Chlamydia)	-	
3.5.4.25	GTP cyclohydrolase II	6-hydroxymethyl-dihydropterin diphosphate biosynthesis III (Chlamydia)	-	
4.1.2.25	dihydroneopterin aldolase	6-hydroxymethyl-dihydropterin diphosphate biosynthesis III (Chlamydia)	-	
4.2.1.160	2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one isomerase/dehydratase	6-hydroxymethyl-dihydropterin diphosphate biosynthesis III (Chlamydia)	-