>sp|Q9ZD53|PURNU_RICPR Purine nucleoside phosphorylase RP494 OS=Rickettsia prowazekii GN=RP494 MEVLIHKSVYYKIFDKTFNNSSHRYIQENHSINEAEILANIESITNYFKAQDILILNQVH SNQIVNADEHIVTIPEADGSITTKKNLVLTVQSADCVPVLLASDDGKIIGVAHAGWQGSI NNIISNIVTKMIEKGAKNLIAVIGPAIAQSSYEVDDKYYKTFLSKDINNKRFFINSIKEN HYMFDLPAFVELKLNESGVKDIKNITEDTYTNPSKYPSKRRSYHMQVPYNEKILSAIVIK