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Key Documents

E2279

Sigma-Aldrich

Monoclonal Anti-Endonuclease VIII antibody produced in mouse

~1.5 mg/mL, clone E8-122, purified immunoglobulin, buffered aqueous solution

Synonyme(s) :

Monoclonal Anti-Endo VIII

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About This Item

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

mouse

Conjugué

unconjugated

Forme d'anticorps

purified immunoglobulin

Type de produit anticorps

primary antibodies

Clone

E8-122, monoclonal

Forme

buffered aqueous solution

Poids mol.

antigen ~30 kDa by SDS-PAGE

Espèces réactives

E. coli

Concentration

~1.5 mg/mL

Technique(s)

indirect ELISA: suitable
western blot: 10-20 μg/mL using recombinant endonuclease VIII (Cat No. E0651)

Isotype

IgM

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Description générale

Monoclonal Anti- Endonuclease VIII (mouse IgM isotype) is derived from the E8-122 hybridoma produced by the fusion of mouse myeloma cells and splenocytes from mice . Endonuclease VIII (Endo VIII) from E. coli is a product of the nei gene. It is a DNA N-glycosylase and abasic site lyase (AP1 lyase. It comprises C-terminal Cys4-type β/β-antiparallel zinc finger with an arginine residue (Arg-252).

Spécificité

Monoclonal Anti-Endonuclease VIII recognizes endonuclease VIII from E. coli (approx. 30 kDa).

Immunogène

recombinant full length endonuclease VIII from Escherichia coli.

Application

Monoclonal Anti-Endonuclease VIII antibody produced in mouse may be used in enzyme-linked immunosorbent assay (ELISA) and immunoblotting.

Actions biochimiques/physiologiques

Endonuclease VIII (Endo VIII) from E. coli is a DNA repair protein that recognizes and removes modified pyrimidines, such as thymine glycol (Tg) and 5,6,dihydrothymine (DHT), from DNA.. Its modified base substrate specificity overlaps the endonuclease III (endo III, nth) substrate specificity. This cross-reactivity is manifested in E. coli mutants. E. coli nth and nei mutants are either not sensitive or are slightly more sensitive to ionizing radiation and hydrogen peroxides than the wild type. The nei-nth double mutant is hypersensitive to oxidative stress. The mechanism used by Endo VIII to cleave the DNA backbone (lyase activity) is a β-δ elimination, resembling the action of formamidopyrimidine-DNA glycosylase (fpg) protein.

Forme physique

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Stockage et stabilité

For continuous use, store at 2-8 °C for up to one month.For prolonged storage, freeze in working aliquots at −20 °C. Repeated freezing and thawing is not recom-mended. Storage in frost-free freezers is also notrecommended. If slight turbidity occurs upon prolongedstorage, clarify the solution by centrifugation beforeuse. Working dilutions should be discarded if not usedwithin 12 hours.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

12 - Non Combustible Liquids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Consulter la Bibliothèque de documents

C D'Ham et al.
Biochemistry, 38(11), 3335-3344 (1999-03-17)
Oligonucleotides that contain a single modified pyrimidine, i.e., thymine glycol (Tg), 5,6-dihydrothymine (DHT), and 5-hydroxycytosine (5-OHC) were synthesized in order to investigate the substrate specificity and the excision mechanism of two Escherichia coli repair enzymes: endonuclease III and formamidopyrimidine DNA
J Laval et al.
Mutation research, 402(1-2), 93-102 (1998-07-24)
As a consequence of oxidative stress, reactive oxygen species are generated in the cells. They interact with DNA and induce various modifications. Among them, oxidised purines (such as C8-oxoguanine and purines whose imidazole ring is opened), oxidised pyrimidines (such as
D Jiang et al.
The Journal of biological chemistry, 272(51), 32230-32239 (1998-01-24)
Escherichia coli endonuclease VIII (endo VIII) was identified as an enzyme that, like endonuclease III (endo III), removes radiolysis products of thymine including thymine glycol, dihydrothymine, beta-ureidoisobutyric acid, and urea from double-stranded plasmid or phage DNA and cleaves the DNA

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