R4875
Ribonuclease A from bovine pancreas
Type I-A, powder, ≥60% RNase A basis (SDS-PAGE), ≥50 Kunitz units/mg protein
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biological source
bovine pancreas
Quality Level
type
Type I-A
form
powder
specific activity
≥50 Kunitz units/mg protein
mol wt
~13,700
concentration
≥60% (RNase A, SDS-PAGE)
technique(s)
cell based assay: suitable
impurities
salt, essentially free
suitability
suitable for molecular biology
application(s)
diagnostic assay manufacturing
foreign activity
protease, essentially free
storage temp.
−20°C
InChI
1S/C9H14N4O3/c10-2-1-8(14)13-7(9(15)16)3-6-4-11-5-12-6/h4-5,7H,1-3,10H2,(H,11,12)(H,13,14)(H,15,16)
InChI key
CQOVPNPJLQNMDC-UHFFFAOYSA-N
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General description
RNase A, Ribonuclease A, is an endoribonuclease that cleaves the phosphodiester bonds of single strand RNA after pyrimidine nucleotides. It attacks at the 3′ phosphate end (For example pG-pG-pC-pA-pG will be cleaved to give pG-pG-pCp and A-pG). The highest activity is exhibited with single stranded RNA. RNase A is a single chain polypeptide containing 4 disulfide bridges. In contrast to RNase B, it is not a glycoprotein. Ribonucleases do not hydrolyze DNA, because the DNA lacks 2′-OH groups essential for the formation of cyclic intermediates. RNase A can also hydrolyze RNA from protein samples. RNase A can be inhibited by alkylation of His12 and His119 and activated by potassium and sodium salts. RNAse is inhibited in the presence of heavy metal ions. RNase is also inhibited competitively by DNA.
Application
- RNase A is used to remove RNA from DNA plasmid and genomic DNA preparations and protein samples.
- RNase A is also used in RNA sequence analysis and protection assays.
- RNase A has been used as a tool for computer-aided drug design.
- RNase A supports the analysis of RNA sequences.
- RNase A hydrolyze RNA contained in protein samples.
- Purification of DNA is supported by RNase A.
Biochem/physiol Actions
Ribonuclease A is an endoribonuclease that cleaves single stranded RNA after pyrimidine nucleotides. It attacks at the 3′ phosphate end. Ribonucleases do not hydrolyze DNA, because the DNA lacks 2′-OH groups essential for the formation of cyclic intermediates. RNase can also hydrolyze RNA from protein samples. RNase A can be inhibited by alkylation of His12 and His119 and activated by potassium and sodium salts.
Features and Benefits
Our highly stable Ribonuclease A, RNase A, is suitable for removal of RNA, RNA sequencing, and DNA purification.
Preparation Note
Salt fractionated and chromatographically purified.
Analysis Note
Protein determined by E.
Application
Product No.
Description
Pricing
inhibitor
Product No.
Description
Pricing
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
动植物源性产品
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Yang Han et al.
eLife, 7 (2018-08-25)
Epigenetic clocks for mice were generated based on deep-sequencing analysis of the methylome. Here, we demonstrate that site-specific analysis of DNA methylation levels by pyrosequencing at only three CG dinucleotides (CpGs) in the genes Prima1, Hsf4, and Kcns1 facilitates precise
Elizaveta Katorcha et al.
PLoS pathogens, 14(6), e1007093-e1007093 (2018-06-22)
The main risk of emergence of prion diseases in humans is associated with a cross-species transmission of prions of zoonotic origin. Prion transmission between species is regulated by a species barrier. Successful cross-species transmission is often accompanied by strain adaptation
Xu Yang et al.
Marine drugs, 16(11) (2018-11-21)
Fucoidan, a sulfated polysaccharide extracted from brown seaweeds, has been shown to possess various antioxidant, anticoagulant, antiviral, and anticancer functions. In this study, we focused on low molecular weight fucoidan (LMWF) which was extracted from New Zealand Undaria pinnatifida, and
Barbara Schöpf et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(6), 1895-1900 (2012-01-11)
Single strand nicks and gaps in DNA have been reported to increase the efficiency of nucleosome loading mediated by chromatin assembly factor 1 (CAF-1). However, on mismatch-containing substrates, these strand discontinuities are utilized by the mismatch repair (MMR) system as
Franziska Büscheck et al.
World journal of urology, 39(3), 829-837 (2020-05-04)
DNA ploidy measurement has earlier been suggested as a potentially powerful prognostic tool in many cancer types, but the role in renal tumors is still unclear. To clarify its prognostic impact, we analyzed the DNA content of 1320 kidney tumors
Protocols
This procedure may be used for determination of Ribonuclease A (RNase A) activity.
Chromatograms
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