>1RU2_1|Chain A|2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase|Escherichia coli (562) TVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQDQPDYLNAAVALETSLAPEELLNHTQRIELQQGRGGPRTLDLDIMLFGNEVINTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILHTRAFDKLNKW