ribonuclease (Bacillus subtilis)

ri·bo·nu·cle·ase (Ba·cil·lus sub·ti·lis)

(rī'bō-nū'klē-ās ba-sil'ŭs sŭb-tī'lis),

Ribonuclease (Azotobacter agilis); ribonuclease (Proteus mirabilis); an enzyme catalyzing the endonucleolytic cleavage of RNA to yield 2',3'-cyclic nucleotides.