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Enzymes for Research, Diagnostic and Industrial Use

Immobilized RNase A on G3m

Cat No.
NATE-1773
Description
RNase A is an endonuclease that cleaves RNA but not DNA. RNase A specifically cuts pyrimidine ribonucleotides at the 3'-adjacent phosphodiester bond Py/pN, with the intermediary formation of nucleoside-2',3'-cyclophosphate.
G3m: 25 µg (2. 5 Kunitz units) RNase A per CR-column immobilized on dextran
This G3m-column digests at least 200 µg RNA per application.
Nr. 5 Storage buffer: 50 mM Tris/HCl, pH 7. 5
Nr. 5 Reaction buffer: 50 mM Tris/HCl, pH 7. 5 (also active with 1% SDS)
Nr. 6 Washing buffer: 50 mM Tris/HCl, 1 M NaCl, pH 7. 5
The columns are provided in storage buffer.
Source
Bovine pancreas
Enzyme Commission Number
EC 3. 1. 27. 5
Storage
4 °C
Synonyms
Pancreatic ribonucleases; EC 3. 1. 27. 5; RNase; RNase I; RNase A; pancreatic RNase; ribonuclease I; endoribonuclease I; ribonucleic phosphatase; alkaline ribonuclease; ribonuclease; gene S glycoproteins; Ceratitis capitata alkaline ribonuclease; SLSG glycoproteins; gene S locus-specific glycoproteins; S-genotype-asssocd. glycoproteins; ribonucleate 3'-pyrimidino-oligonucleotidohydrolase; 9001-99-4
Protocol
1. Dilute delivered buffers (at least 2ml each) with sterile doubly distilled water.
For 1 application you need:
1 ml 10x reaction buffer and 9 ml doubly distilled water
2 ml 5x washing buffer and 8 ml doubly distilled water
1 ml 10x storage buffer and 9 ml doubly distilled water
The substrate should be in reaction buffer
2. Equilibrate the CR-column with 10 ml reaction buffer.
Fill 10 ml reaction buffer into a syringe, let the reaction buffer run through the column by gravity to the upper filter. In case the buffer runs very slowly, apply pressure by a syringe.
3. Load substrate solution in reaction buffer.
Small volumes (< 70 µl): spin the CR-column 5 seconds in a benchtop centrifuge (2000 rpm are sufficient). Let the substrate solution enter the matrix material.
Larger volumes: Let the substrate solution run through the column.
Flow-rate: up to 70 µl/minute
Keep the substrate in the column for about 1 minute at room temperature. Higher turn-over is obtained when the substrate is applied to the column again or incubated for longer times.
4. Elute the product solution.
Small volumes (< 70 µl): centrifuge the product out of the column.
Larger volumes: Let the substrate run through the column and spin the residual solution out of the matrix
Notice: Molecules < 700 Dalton have to be eluted with 7 ml reaction buffer.
It does not harm the columns if they run dry.
5. Wash the column with 10 ml washing buffer.
6. Equilibrate the column with 10 ml storage buffer. Store the column at 4°C.
Never freeze a CR-column.
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Inquiry
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Catalog
ProductName
EC No.
CAS No.
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Price
CatalogNATE-0655
EC No.EC 3.1.27.5
CAS No.9001-99-4
SourceBovine pancreas
CatalogNATE-0656
EC No.EC 3.1.27.5
CAS No.9001-99-4
SourceBovine pancreas
CatalogNATE-0657
EC No.EC 3.1.4.34
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SourceE. coli
CatalogNATE-0658
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