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11119915001

Roche

RNase, DNase-free

from bovine pancreas

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Synonym(s):
Rnase

biological source

bovine pancreas

Quality Level

form

solution

specific activity

≥30 units/mg protein

packaging

pkg of 500 μg (1 ml)

manufacturer/tradename

Roche

technique(s)

DNA purification: suitable

storage temp.

−20°C

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This Item
AMPD11157968100110786357001
vibrant-m

11119915001

RNase, DNase-free

vibrant-m

AMPD1

DNase I

vibrant-m

10786357001

Ribonuclease H (RNase H)

biological source

bovine pancreas

biological source

-

biological source

bovine pancreas

biological source

Escherichia coli ( H 560 pol A1)

specific activity

≥30 units/mg protein

specific activity

-

specific activity

≥30 U/mg

specific activity

~40000 units/mg protein

manufacturer/tradename

Roche

manufacturer/tradename

-

manufacturer/tradename

Roche

manufacturer/tradename

Roche

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

storage temp.

−20°C

storage temp.

−20°C

storage temp.

-

storage temp.

−20°C (−15°C to −25°C)

General description

Pyrimidine-specific endoribonuclease that acts on single-stranded RNA. RNase, DNase-free, is a heterogeneous mixture of ribonucleases that has been prepared free of deoxyribonuclease activity according to the current Quality Control procedures. RNase, DNase-free, is particularly well suited for use in DNA isolation procedures. Before use, most RNase preparations must be boiled to remove DNase activity. This preparation of RNase does not need to be boiled; it can be used directly from the vial.

Application

RNase, DNase-free, efficiently removes contaminating RNA from plasmid or genomic DNA preparations.

Unit Definition

One Kunitz unit is the amount of enzyme that causes a decrease in absorbance of A0 to A1 within one minute under the assay conditions. A0 to A1 corresponds to the total conversion, A1 being the final absorbance.
One unit produces a decrease in absorbance at 260 nm, which is equivalent to a total conversion of RNA to oligonucleotides in one minute at +25 °C.

Physical form

Solution, 500 μg/ml, in 10 mM Tris-HCl, 5 mM CaCl2, 50% glycerol (pH 7.0).

Preparation Note

Working concentration: The optimal working concentration for RNase, DNase free, is 2 to 5 μg/ml. The reaction volume will vary for different applications. Some suggested guidelines are given below:
  1. For small-scale isolation of plasmid DNA ("miniprep" from a 1.5 ml bacterial culture), use 0.5 μl of RNase, DNase-free in a reaction volume of 50 μl.
  2. To isolate plasmid DNA from a 100 ml bacterial culture, use 8 μl of RNase, DNase-free in a reaction volume of 2 ml.
  3. To isolate genomic DNA from cultured mammalian cells (5 x 107 cells), use 8 μl of RNase, DNase-free in a reaction volume of 2 ml.

Working solution: Storage and Dilution Buffer: 10 mM Tris-HCl, 5 mM CaCl2, 50% glycerol (v/v), pH 7.0.

Other Notes

For life science research only. Not for use in diagnostic procedures.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

No data available

Flash Point(C)

No data available


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Protocols

0.1 mU RNase, DNase-free degrades 1 μg RNA in 30 min at + 37 °C in a reaction volume of 50 μL PCR grade water. The protein concentration of RNase, DNase-free is 0.5 μg/μL.

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