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R8381

Sigma-Aldrich

Dpn I from Diplococcus pneumoniae

Restriction Enzyme

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CAS Number:
Enzyme Commission number:
MDL number:
UNSPSC Code:
12352204

grade

for molecular biology

form

buffered aqueous glycerol solution

concentration

10,000 units/mL

shipped in

wet ice

storage temp.

−20°C

Specificity

Recognition sequence: 5′-GmA/TC-3′
Ligation and recutting results: After 2-10-fold Dpn I overdigestion of 1 μg pBR322 DNA substrate, results in 100% cutting, >30% of fragments can be ligated, and >90% recut.
Heat inactivation: 75 °C for 15 minutes.

Application

DpnI is a restriction endonuclease that is used in molecular biological applications to cleave the recognition sequence 5′-GmA/TC-3′, generating DNA framents with blunt ends.

Other Notes

Supplied with 10x Restriction Enzyme Buffer SA (B7531).
Comment: Since Dpn I will completely cleave only fully methylated pBR322 DNA, cleavage of 95% or more is considered complete digestion.

Physical form

Solution in 10 mM Tris-HCl, pH 8.0, 400 mM NaCl, 0.1 mM EDTA, 1 mM dithiothreitol, 200 μg/ml BSA, 50% glycerol (v/v) at 4 °C

incubation buffer

Product No.
Description
Pricing

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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S Lacks et al.
The Journal of biological chemistry, 250(11), 4060-4066 (1975-06-10)
A deoxyribonuclease specific for methylated DNA was isolated from Diplococcus pneumoniae. The enzyme, an endonuclease, degrades DNA for Escherichia coli to fragments of average molecular weight about half a million; it forms discrete fragments from phage lambda DNA. Methyl-deficient E.
Min Ju et al.
The Journal of biological chemistry, 278(15), 12769-12778 (2003-02-01)
The human and rat forms of the Kv2.1 channel have identical amino acids over the membrane-spanning regions and differ only in the N- and C-terminal intracellular regions. Rat Kv2.1 activates much faster than human Kv2.1. Here we have studied the
K Alheim et al.
Journal of molecular endocrinology, 30(3), 359-368 (2003-06-07)
Glucocorticoids are known regulators of the cell cycle, normally exerting an anti-proliferative effect. We have previously shown that glucocorticoids stimulate expression of p57(Kip2), a member of the Cip/Kip family of cyclin-dependent kinase inhibitors which, in some cell types, may account
C Kessler et al.
Gene, 92(1-2), 1-248 (1990-08-16)
The properties and sources of all known class-I, class-II and class-III restriction endonucleases (ENases) and DNA modification methyltransferases (MTases) are listed and newly subclassified according to their sequence specificity. In addition, the enzymes are distinguished in a novel manner according
Jaroslav Jelinek et al.
Epigenetics, 7(12), 1368-1378 (2012-10-19)
Genome wide analysis of DNA methylation provides important information in a variety of diseases, including cancer. Here, we describe a simple method, Digital Restriction Enzyme Analysis of Methylation (DREAM), based on next generation sequencing analysis of methylation-specific signatures created by

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