>sp|O28580|PUR5_ARCFU Phosphoribosylformylglycinamidine cyclo-ligase OS=Archaeoglobus fulgidus GN=purM MPKFDYAKAGVDIREEERAIKSLASVIKHVRSGFGRPILTSHYAGVIDCGDFGITITTDG VGSKILVAEKMRKFDTIGIDCVAMNVNDLLAIGSEPLAMVDYIAIEKPDEWIMAEIAKGL EEGCRIANITLLGGETATLPEIIRGFDLAGTAIGWVKKDAIITGEKIEEGDVIFAIPSSG IHSNGLTLARKVVEAAGLSYHDKFGDKTIGEELLTPTRIYMEILDVLRECEVHGLAHITG SGLLKLKRLKNMKYVIDKPLKPQEIFRFIQKLGEVEEAEMYRTFNMGMGFMVILPEDEAD KLKKLCEGRVVGYVEKGEGVYVKDLRLDA