>3WHO_1|Chains A, B, C|Guanyl-specific ribonuclease Po1|Pleurotus ostreatus (5322) QTGVRSCNCAGRSFTGTDVTNAIRSARAGGSGNYPHVYNNFEGFSFSCTPTFFEFPVFRGSVYSGGSPGADRVIYDQSGRFCACLTHTGAPSTNGFVECSF