RNase A, DNase Free[shortdesc]RNase A, EC: 3. 1. 27. 5, DNase free. For the elimination of RNA during plasmid DNA preparation. Select from powder or solution.[ shortdesc] [els_overview]RNase A, EC: 3. 1. 27. 5, also known as Ribonuclease A, is a type of endonuclease enzyme that specifically cleaves the phosphodiester bonds in RNA molecules. It is a small protein composed of 124 amino acid residues with a molecular weight of about 13. 7 kDa. RNase A is highly stable and