>3WR2_1|Chains A, B, C, D, E, F|Guanyl-specific ribonuclease Po1|Pleurotus ostreatus (5322) QTGVRSCNCAGRSFTGTDVTNAIRSARAGGSGNYPHVYNNFEGFSFSCTPTFFEFPVFRGSVYSGGSPGADRVIYDQSGRFCACLTHTGAPSTNGFVECSF