R5125
Ribonuclease A from bovine pancreas
Type III-A, ≥85% RNase A basis (SDS-PAGE), 85-140 Kunitz units/mg protein
동의어(들):
Pancreatic Ribonuclease, RNAsea, RNase A, Ribonucleate 3′-pyrimidinooligonucleotidohydrolase
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크기 선택
제품정보 (DICE 배송 시 비용 별도)
CAS 번호:
NACRES:
NA.54
UNSPSC Code:
12352204
EC Number:
232-646-6
MDL number:
Specific activity:
85-140 Kunitz units/mg protein
Assay:
≥85% RNase A basis (SDS-PAGE)
Biological source:
bovine pancreas
SMILES string
[nH]1cnc(c1)CC(NC(=O)CCN)C(=O)O
InChI key
CQOVPNPJLQNMDC-UHFFFAOYSA-N
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)
biological source
bovine pancreas
type
Type III-A
assay
≥85% RNase A basis (SDS-PAGE)
form
lyophilized powder
specific activity
85-140 Kunitz units/mg protein
mol wt
~13,700
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
Quality Level
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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.
Ribonuclease A is used to remove RNA from DNA plasmid preparations and protein samples. Ribonuclease A is used for RNase protection assays, to remove unspecifically bound RNA, analysis of RNA sequences, to hydrolyze RNA contained in protein samples, and the purification of DNA. Ribonuclease A from bovine pancreas has been used in a study to assess nickel-dependent oxidative cross-linking of a protein. Ribonuclease A from bovine pancreas has also been used in a study to investigate equilibrium constants for nonspecific binding of proteins to DNA.
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.
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
저장 등급
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
G Gill et al.
Chemical research in toxicology, 10(3), 302-309 (1997-03-01)
A model protein, ribonuclease A (bovine pancreas), was examined for its ability to coordinate Ni2+ and promote selective oxidation. In the presence of a peracid such as monopersulfate, HSO5-, nickel induced the monomeric RNase A to form dimers, trimers, tetramers
E S Jenuwine et al.
Analytical biochemistry, 242(2), 228-233 (1996-11-15)
Quantitative zonal DNA affinity chromatography may be used to determine accurate equilibrium constants for the binding of proteins nonspecifically to DNA. Zonal quantitative affinity chromatography has not previously been applied to the determination of binding constants of proteins to DNA
J Castro et al.
Cytometry, 14(7), 793-804 (1993-10-01)
An easy method for preparation of bare cell nuclei from fresh solid tissues for DNA flow cytometry is described. Pieces of up to 2 x 2 x 2 mm3 size from fresh tissues were fixed in formalin. After removal of
Aida Muslimovic et al.
Nature protocols, 3(7), 1187-1193 (2008-07-05)
Phosphorylation of histone protein H2AX on serine 139 (gamma-H2AX) occurs at sites flanking DNA double-stranded breaks (DSBs) and can provide a measure of the number of DSBs within a cell. We describe a flow cytometry-based method optimized to measure gamma-H2AX
Yi He et al.
Clinical epigenetics, 14(1), 101-101 (2022-08-14)
Vascular smooth muscle cell (VSMC) phenotype switching is critical for neointima formation, which is the major cause of restenosis after stenting or coronary artery bypass grafting. However, the epigenetic mechanisms regulating phenotype switching of VSMCs, especially histone methylation, are not
프로토콜
This procedure may be used for determination of Ribonuclease A (RNase A) activity.
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