R5503
Ribonuclease A from bovine pancreas
Type I-AS, 50-100 Kunitz units/mg protein
Synonym(s):
Pancreatic Ribonuclease, RNAsea, RNase A, Ribonucleate 3′-pyrimidinooligonucleotidohydrolase
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About This Item
Recommended Products
biological source
bovine pancreas
Quality Level
type
Type I-AS
form
lyophilized powder
specific activity
50-100 Kunitz units/mg protein
mol wt
~13,700
technique(s)
cell based assay: suitable
impurities
salt, essentially free
suitability
suitable for mRNA or total RNA extracted from cells and tissues
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
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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Customers Also Viewed
J J Beintema et al.
Cellular and molecular life sciences : CMLS, 54(8), 825-832 (1998-10-07)
Enzymic properties of members of the ribonuclease A superfamily, like the activity on RNA, the preference for either cytosine or uracil in the primary binding site B1, the preference for the other side of the cleaved phosphodiester bond, the B2
P Klappa et al.
European journal of biochemistry, 254(1), 63-69 (1998-07-04)
Using a cross-linking approach, we have demonstrated that radiolabeled model peptides or misfolded proteins specifically interact in vitro with two different luminal proteins in a crude extract from sheep pancreas microsomes. One of the proteins was identified as protein disulphide-isomerase
M P Sasso et al.
Gene, 227(2), 205-212 (1999-02-19)
Molecular evolutionary analyses of mammalian ribonucleases have shown that gene duplication events giving three paralogous genes occurred in ruminant ancestors. The enzymes of the bovine species encoded by these genes, isolated from pancreas, brain and seminal vesicles, present similar enzymological
Gertrud Forika et al.
International journal of molecular sciences, 21(14) (2020-07-28)
The poor outcome of pancreas ductal adenocarcinomas (PDAC) is frequently linked to therapy resistance. Modulated electro-hyperthermia (mEHT) generated by 13.56 MHz capacitive radiofrequency can induce direct tumor damage and promote chemo- and radiotherapy. Here, we tested the effect of mEHT
Yanchang Li et al.
Molecular cell, 76(1), 126-137 (2019-08-25)
A surprising complexity of ubiquitin signaling has emerged with identification of different ubiquitin chain topologies. However, mechanisms of how the diverse ubiquitin codes control biological processes remain poorly understood. Here, we use quantitative whole-proteome mass spectrometry to identify yeast proteins
Chromatograms
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