RNase A, Lyophilized
RNase A specifically cleaves single-stranded RNA at 3' phosphate linkages of pyrimidine residues leaving pyrimidine 3' phosphates and oligonucleotides with terminal pyrimidine 3' phosphates (1).
Form: Lyophilized powder
Unit Definition: One unit is that amount of enzyme causing the hydrolysis of RNA at a rate such that K (velocity constant) equals unity (Kunitz units) at 25°C and pH 5.0.
1. DAVIDSON, J.N. (1972) The Biochemistry of the Nucleic Acids, 7th edition, (Academic Press, New York).
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