>5ETL_1|Chains A, B, C, D|2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase|Escherichia coli (562) GSAMTVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQDQPDYLNAAVALETSLAPEELLNHTQRIELQQGRVRKAERWGPRTLDLDIMLFGNEVINTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILHTRAFDKLNKW