2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity https://github.com/geneontology/go-ontology/issues/30193 7,8-dihydro-6-hydroxymethylpterin pyrophosphokinase activity EC:2.7.6.3 RHEA:11412 KEGG_REACTION:R03503 7,8-dihydro-6-hydroxymethylpterin diphosphokinase activity hydroxymethyldihydropteridine pyrophosphokinase activity 6-hydroxymethyl-7,8-dihydropterin diphosphokinase activity GO:0003848 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase activity 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase activity MetaCyc:H2PTERIDINEPYROPHOSPHOKIN-RXN molecular_function H2-pteridine-CH2OH pyrophosphokinase activity Catalysis of the reaction: 2-amino-4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine + ATP = (2-amino-4-hydroxy-7,8-dihydropteridin-6-yl)methyl diphosphate + AMP + 2 H+. HPPK 7,8-dihydroxymethylpterin-pyrophosphokinase activity ATP:2-amino-4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine 6'-diphosphotransferase activity diphosphotransferase activity