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Merck

P1709

Peroxidase, Maleimide Activated from horseradish

lyophilized powder, >200 units/mg protein

別名:

Maleimide activated HRP

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この商品について

UNSPSC Code:
12352204
NACRES:
NA.54
MDL number:
Specific activity:
>200 units/mg protein
Biological source:
horseradish
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biological source

horseradish

form

lyophilized powder

specific activity

>200 units/mg protein

composition

Protein, ~50% E1%/403

extent of labeling

1-3 mol maleimide per mol protein

storage temp.

−20°C

General description

Peroxidase (POD) is an enzyme that includes a group of specific enzymes such as nicotinamide adenine dinucleotide (NAD) peroxidase, NADP peroxidase, fatty acid peroxidase and a group of non-specific enzymes from various sources. It is present in animals, higher plants and other organisms.

Application

For direct conjugation to compounds containing free sulfhydryl groups for use as an enzyme-linked detection reagent.
Instructions for use included. In a study on horseradish peroxidase, the Maleimide compounds succinimidyl 4-maleimidobutyrate and succinimidyl 6-maleimidohexanoate have been shown to be the most effective in the conjugation of Fab′ to horseradish peroxidase. This enzyme has also been used in a study to investigate the effectiveness in staining a mitochondrial protein, lipoamide dehydrogenase.
To increase signal intensity of immunoconjugates, immunoglobulins were synthetically modified to contain multiple primary amines and covalently coupled to maleimide activated peroxidase. This can result in more efficient conjugation and signal amplification.

Biochem/physiol Actions

Peroxidase (POD) helps in the dehydrogenation of several organic compounds like phenols, aromatic amines, hydroquinones etc.

Physical form

Lyophilized powder containing trehalose and sodium citrate

Other Notes

One unit will form 1.0 mg of purpurogallin from pyrogallol in 20 seconds at pH 6.0 at 20°C.
Type VI peroxidase activated with maleimidocaproic acid N-hydroxysuccinimide ester.

pictograms

Health hazard

signalword

Danger

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

保管分類

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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S Matuda et al.
In vivo (Athens, Greece), 1(4), 221-227 (1987-07-01)
IgG-maleimide peroxidase, Fab'-maleimide peroxidase, polymer and monomer types of Fab'-periodate peroxidase were prepared from an antibody against rat lipoamide dehydrogenase, a component of the pyruvate dehydrogenase complex which is located in mitochondria. They were examined for immunohistochemical staining of the
Biochemical Methods (1996)
Subhash Dhawan
Peptides, 23(12), 2091-2098 (2003-01-22)
Immunoconjugates are widely used for indirect detection of analytes (such as antibodies or antigens) in a variety of immunoassays. However, the availability of functional groups such as primary amines or free sulfhydryls in an immunoglobulin molecule is the limiting factor
S Hashida et al.
Journal of applied biochemistry, 6(1-2), 56-63 (1984-02-01)
Nine different maleimide compounds were evaluated for the conjugation of Fab' to horseradish peroxidase through thiol groups in the hinge. The compounds evaluated were succinimidyl maleimidoacetate (I), succinimidyl 4-maleimidobutyrate (II), succinimidyl 6-maleimidohexanoate (III), succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxylate (IV), succinimidyl m-maleimidobenzoate (V), succinimidyl
Kitagawa, T., et al.
Chemical & Pharmaceutical Bulletin, 29(4), 1131-1131 (1981)

プロトコル

2,2'-アジノ-ビス(3-エチルベンズチアゾリン-6-スルホン酸)を基質として用いたペルオキシダーゼのアッセイ手順の標準化

This procedure is for the determination of Peroxidase enzymatic activity using Pyrogallol as the substrate.

To standardize a procedure for the assay of Peroxidase using 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a substrate.

Reinheitszahl (RZ) is the ratio of absorbance due to hemin (A403, Soret region) to absorbance due to protein (A275).

関連コンテンツ

ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.

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