RNase III, E.coli

Catalog No. ON-024
Purity ＞90% by SDS-PAGE
Storage Condition -70℃
Source Recombinant E.coli

RNase III, E.coli

Grade
Amount/Package: 0.5kU / centrifuge tube
SKU: ON-024-U500-P
Collections:  Biochemical Reagents Enzyme & Related Buffer for mRNA Enzymes Enzymes & Buffers Enzymes for mRNA Synthesis mRNA Other Raw Materials RNases and inhibitors
Unit price:
$210.00

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Details

Product Information

RNase III, E.coli is a homodimeric, divalent metal ion dependent nuclease. RNase III cleaves long double-stranded RNA (dsRNA) into short 12-30 base dsRNAs containing a 5'-PO4, 3'-OH, and a dinucleotide 3' overhang.

Source: Recombinant E.coli
Concentration: 0.5U/μL
Unit Definition: One unit is the amount of enzyme required to digest 1μg of dsRNA to siRNA in 20 minutes at 37℃ in a total reaction volume of 50μL.
Storage Buffer: 500mM NaCl, 20mM Tris-HCl (pH 8.0, 25℃), 0.5mM EDTA, 0.5mM DTT, 50% Glyercol.

Companion Products:

Cat#ON-078
10X RNaseIII Reaction Buffer
inside with:
- 500mM Tris-HCl (pH7.5, 25℃)
- 500mM NaCl
- 10mM DTT
Cat#ON-079
10X MnCl2, ,
inside with:
- 200mM MnCl2
Cat#ON-080
10X EDTA
inside with:
- 500mM EDTA

Key points of operation

Recommended protocol:

  1. In ice, combine the following, in order:
Component
Amount
ddH2O
X μL
10X RNase III Reaction Buffer
10μL
dsRNA
X μL (10μg)
RNase III
10-20 units
10X MnCl2
10μL
Total Volume
100μL
  1. Mix and incubate for 20 minutes at 37℃.
  2. Add 10μL 10X EDTA to stop the reaction.

Security Information

Storage Conditions:
Long term (Infrequent use): -70℃
Daily/Weekly use: -20℃*
Do not store in a frost-free freezer.

Always avoid freeze-thaw cycles or exposure to frequent temperature changes. These fluctuations can greatly alter product stability.
RNase III stores at -20℃ may result in the formation of haze. If this happens, keep the tube at room temperature until tube temperature is up to 4~10℃. Then mix gently to clarify the solution. Haze should disappear. And there is negligible loss of activity.

Quality Assurance: Free of Endonuclease, Exonuclease, and Nickase activities. Pass functional testing
Physical Purity: ＞90% by SDS-PAGE.

Reference

1. Hugh D. Robertson, Robent E. Webster, and Norton D. Zinder. The Journal of Biological Chemistry. 243, 82-91(1968).
2. Neelam Srivastava and Rai Ajit K Srivastava. Biochemistry and Molecular Biology International. 39, 171-180(1996).

Specifications
  • Catalog No.
    ON-024
  • Source
    Recombinant E.coli
  • Purity
    ＞90% by SDS-PAGE
  • Storage Condition
    -70℃

Documentation
COA Contact Us

Product Information

RNase III, E.coli is a homodimeric, divalent metal ion dependent nuclease. RNase III cleaves long double-stranded RNA (dsRNA) into short 12-30 base dsRNAs containing a 5'-PO4, 3'-OH, and a dinucleotide 3' overhang.

Source: Recombinant E.coli
Concentration: 0.5U/μL
Unit Definition: One unit is the amount of enzyme required to digest 1μg of dsRNA to siRNA in 20 minutes at 37℃ in a total reaction volume of 50μL.
Storage Buffer: 500mM NaCl, 20mM Tris-HCl (pH 8.0, 25℃), 0.5mM EDTA, 0.5mM DTT, 50% Glyercol.

Companion Products:

Cat#ON-078
10X RNaseIII Reaction Buffer
inside with:
- 500mM Tris-HCl (pH7.5, 25℃)
- 500mM NaCl
- 10mM DTT
Cat#ON-079
10X MnCl2, ,
inside with:
- 200mM MnCl2
Cat#ON-080
10X EDTA
inside with:
- 500mM EDTA

Key points of operation

Recommended protocol:

  1. In ice, combine the following, in order:
Component
Amount
ddH2O
X μL
10X RNase III Reaction Buffer
10μL
dsRNA
X μL (10μg)
RNase III
10-20 units
10X MnCl2
10μL
Total Volume
100μL
  1. Mix and incubate for 20 minutes at 37℃.
  2. Add 10μL 10X EDTA to stop the reaction.

Security Information

Storage Conditions:
Long term (Infrequent use): -70℃
Daily/Weekly use: -20℃*
Do not store in a frost-free freezer.

Always avoid freeze-thaw cycles or exposure to frequent temperature changes. These fluctuations can greatly alter product stability.
RNase III stores at -20℃ may result in the formation of haze. If this happens, keep the tube at room temperature until tube temperature is up to 4~10℃. Then mix gently to clarify the solution. Haze should disappear. And there is negligible loss of activity.

Quality Assurance: Free of Endonuclease, Exonuclease, and Nickase activities. Pass functional testing
Physical Purity: ＞90% by SDS-PAGE.

Reference

1. Hugh D. Robertson, Robent E. Webster, and Norton D. Zinder. The Journal of Biological Chemistry. 243, 82-91(1968).
2. Neelam Srivastava and Rai Ajit K Srivastava. Biochemistry and Molecular Biology International. 39, 171-180(1996).

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