>4ZFN_1|Chains A, B|Purine phosphoribosyltransferase (GpT-2)|Sulfolobus solfataricus P2 (273057) MVEYHIPSWDEIEDAVFSIGEALVKSNYIPDVLIAVLTGGIIPAKLLSDLLDLKVIRYIDIKFYRSVGKTESKPVIRSVYTDSLEGKKVLVVDDVADTGETLEAVSNVITMFNPAKVMTAALYLKPWSKRIPDFYYKQIDKWIIFPWDKWDVVRENSNVPVDKKERFLNLYNQLLKIRK