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Merck
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문서

M1567

Sigma-Aldrich

Malic Dehydrogenase from porcine heart

≥600 units/mg protein (biuret), ammonium sulfate suspension

동의어(들):

L-Malate: NAD+ oxidoreductase, MDH, Malate Dehydrogenase

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About This Item

효소 위원회 번호:
1.1.1.37 (BRENDA, IUBMB)
EC Number:
232-622-5
MDL number:
MFCD00131567
UNSPSC 코드:
12352204
NACRES:
NA.54

형태

ammonium sulfate suspension

특이 활성도

≥600 units/mg protein (biuret)

외래 활성

Glutamic-Oxalacetic Transaminase ≤0.01%
Glutamic-Pyruvic Transaminase ≤0.01%

저장 온도

2-8°C

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일반 설명

Malic Dehydrogenase is a ubiquitous enzyme, which exists in two isoforms in eukaryotic cells.
Malic dehydrogenase exists as a dimer with each subunit containing an NAD-binding domain and a substrate-binding carboxy-terminal domain required for activity.
Malic dehydrogenase is a cytoplasmic isozyme and an important catalyst in the tricarboxylic acid cycle.

애플리케이션

Malic Dehydrogenase from porcine heart has been used:
  • in qualitative protein binding measurements
  • to test internally calibrated electrochemical continuous enzyme assay (ICECEA) with model enzyme pair
  • to investigate the effect of chaperone on the refolding of heat-denatured malate dehydrogenase

Malic dehydrogenase has been used in a study to assess the effect of an immunomodulator S2 complex on the enzymes of the parasites. It has also been used in a study to investigate the heterogeneity of lactic and malic dehydrogenase in cerebrospinal fluid.

생화학적/생리학적 작용

Malic Dehydrogenase (MDH) plays an important role in the citric acid cycle in mitochondria. It catalyzes the interconversion of substrates malate and oxaloacetate with the simultaneous oxidation/reduction of NAD/NADH+. MDH present in the cytosol is involved in the shuttling of malate/aspartate.

단위 정의

One unit will convert 1.0 μmole of oxalacetate and β-NADH to L-malate and β-NAD per min at pH 7.5 at 25°C.

물리적 형태

Suspension in 2.8 M (NH4)2SO4 solution, pH 6.0

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)

시험 성적서(COA)

제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.

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문서 라이브러리에서 최근에 구매한 제품에 대한 문서를 찾아보세요.

문서 라이브러리 방문

Heterogeneity of lactic and malic dehydrogenase in cerebrospinal fluid
Lowenthal, A., et al.
Journal of Neurochemistry, 7, 135-140 (2006)
Electrochemical Coupled-Enzyme Assays at Carbon Nanotubes
Zhang M, et al.
Analytical Chemistry, 86(18), 9330-9334 (2014)
Yassir M Al-Mulla Hummadi et al.
Experimental parasitology, 112(2), 85-91 (2005-11-09)
S(2) complex has been reported to have a direct antileishmanial effect. The possibility that the direct antileishmanial effect may be due to inhibition of key enzymes involved in glucose metabolism and/ or enzymes associated with virulence was investigated. Cell pellets
Sensing NADH conformation using phasor analysis on fluorescence spectra
Palo D, et al.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 186(3), 105-111 (2017)
Malate dehydrogenases-structure and function
Minarik P, et al.
General Physiology and Biophysics, 21(3), 257-266 (2002)
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문서

How to Work with Enzymes Supplied as Ammonium Sulfate Suspensions

Instructions for working with enzymes supplied as ammonium sulfate suspensions

프로토콜

Enzymatic Assay of Malic Dehydrogenase

Spectrophotometric assay evaluates malic dehydrogenase activity using bovine heart enzyme with critical histidine residue at active site.

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