>1usy_D mol:protein length:275 ATP PHOSPHORIBOSYLTRANSFERASE REGULATORY SUBUNITMDFLDFEKVFSFYSKATKKGFSPFFVPALEKAEEPAGNFFLDRKGNLFSIREDFTKTVLNHRKRYSPDSQIKVWYADFVYRYSGSDLVAEYQLGLEKVPRNSLDDSLEVLEIIVESASEFFEGPVIVEIGHTGVYEDLLKEIPKDLHEKVLNLIDTKNLAEIEFLSHMKKIDLSRVEKIIEDSIYRRSPEHLKTMDLPLSVREDLLSASSFLQEKFPTVSVEIDLTLARTIEEYCGLIFTIYDTSSSRLVAAGGEYTVNGEKGVGGSIFLEGKTC