Deoxyribonuclease I, bovine pancreas, Purified
Thermo Scientific Chemicals

Deoxyribonuclease I, bovine pancreas, Purified

Deoxyribonuclease I, CAS # 9003-98-9, also known as DNase I, is an endonuclease isolated from bovine pancreas used mainly to remove deoxyribonucleic acid (DNA) from protein samples.
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產品號碼 J61061.LB0
亦稱為 J61061-#0
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Quantity:
5 mg
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化學識別
CAS9003-98-9
IUPAC NameDeoxyribonuclease
SMILES*
MDL NumberMFCD00130918
規格Specification Sheet規格表
Unit definitionOne unit causes an increase in absorbance at 260nm of 0.001 per minute at 25?C, pH 5.0 when acting on highly polymerized DNA in the presence of magnesium and calcium
UV/VisA280 (1mg/ml): Report value
FormPowder
Assay (special)Endotoxin (EU/mg): Report value
units/mgdw≥ 2,000 Units/mg dry weght
Deoxyribonuclease I, is used in RNA preparations from tissue or bacterial cell cultures. Deoxyribonuclease is used to remove DNA from protein samples, It is also used in a study to compare several procedures for reducing RNase contamination in preparations of DNase. It is used in investigating the effect of the composition of sodium dodecyl sulfate preparations on the renaturation of enzymes after polyacrylamide gel electrophoresis.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

General Description

  • Deoxyribonuclease I is an endonuclease that acts on phosphodiester bonds adjacent to pyrimidines to produce polynucleotides with terminal 5'-phosphates. In the presence of Mg2+, this compound cleaves each strand of DNA independently

Application

  • In biomedical research, this compound is used to nick DNA as a first step to integrate labeled bases into DNA
  • It can be used to eliminate genomic DNA from RNA solutions before RT-PCR
  • It is also used during isolation and purification of plasma membrane vesicles from Neurospora crassa cell culture
  • It can decrease viscosity in cell culture lysates, providing better yields in primary cell isolation
  • It is also commonly used in combination with trypsin for the preparation of single cell suspension from rats
  • Deoxyribonuclease I, bovine pancreas has been used in some studies in order to compare different methods for reducing RNase contamination in preparations of DNase
  • This compound can be applied in studies to investigate the impact of the composition of sodium dodecyl sulfate (SDS) preparations on the renaturation of enzymes after polyacrylamide gel electrophoresis
RUO – Research Use Only

General References:

  1. G A Scarborough. The neurospora plasma membrane ATPase is an electrogenic pump. PNAS. 1976, 73 (5), 1485-1488.
  2. U Lindberg. Molecular weight and amino acid composition of deoxyribonuclease I. Biochemistry. 1967, 6 (1), 335-342.