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Merck
모든 사진(1)

주요 문서

P1709

Sigma-Aldrich

Peroxidase, Maleimide Activated from horseradish

lyophilized powder, >200 units/mg protein

동의어(들):

Maleimide activated HRP

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About This Item

MDL number:
UNSPSC 코드:
12352204
NACRES:
NA.54

생물학적 소스

horseradish

Quality Level

양식

lyophilized powder

특이 활성도

>200 units/mg protein

구성

Protein, ~50% E1%/403

라벨링 범위

1-3 mol maleimide per mol protein

저장 온도

−20°C

일반 설명

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.

애플리케이션

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.

생화학적/생리학적 작용

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

기타 정보

Type VI peroxidase activated with maleimidocaproic acid N-hydroxysuccinimide ester.

단위 정의

One unit will form 1.0 mg of purpurogallin from pyrogallol in 20 seconds at pH 6.0 at 20°C.

물리적 형태

Lyophilized powder containing trehalose and sodium citrate

픽토그램

Health hazard

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

dust mask type N95 (US), Eyeshields, Gloves


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시험 성적서(COA)

Lot/Batch Number

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문서 라이브러리 방문

Biochemical Methods (1996)
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
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)

프로토콜

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

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

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

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