. "Catalysis of the endonucleolytic cleavage to nucleoside 3'-phosphates and 3'-phosphooligonucleotides ending in Gp with 2',3'-cyclic phosphate intermediates." . . "RNase T1" . "RNase Sa" . "RNase G" . "ribonuclease SA" . "ribonuclease F1" . "ribonuclease T1 activity" . "Aspergillus oryzae ribonuclease activity" . "binase activity" . "guanyl-specific RNase activity" . "guanyloribonuclease activity" . "ribonuclease C2" . "ribonuclease Ch" . "ribonuclease guaninenucleotido-2'-transferase (cyclizing)" . "ribonuclease N1" . "ribonuclease N3" . "ribonuclease PP1" . "ribonuclease U1" . "RNase F1" . "RNase N1 activity" . "RNase N2 activity" . "RNase T1 activity" . . .