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- Enzyme name: Ribonuclease A
- Source: Bovine pancreas
- Molecular weight: 13.7 kDa
- Optimal pH: 7.0-8.0
- Optimal temperature: 37°C
- Activity: RNase A specifically cleaves single-stranded RNA at the 3' end of pyrimidine residues (uracil, cytosine)
- Inhibitors: RNase inhibitors such as RNasin and vanadyl ribonucleoside complex (VRC)
- Chemicals that can affect activity: EDTA, urea, guanidine hydrochloride
- Buffer compositions: RNase A is active in a variety of buffers, including Tris-HCl, phosphate, and acetate buffers.
It's worth noting that RNase A is highly stable and resistant to denaturation, which makes it a popular choice for RNA research applications. However, its stability also means that it can be difficult to inactivate or remove from samples, so caution should be taken to prevent RNA degradation during experiments.
Activity: ≥ 50 Kunitz units/mg.
DNase Contamination: Not detected.
Form: Supplied as solution or lyophilized powder.