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主要文件

354406

Sigma-Aldrich

Glutaredoxin-S2, E. coli

Glutaredoxin functions as a glutathione-dependent hydrogen donor for ribonucleotide reductase.

别名:

Grx1, grxA

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About This Item

UNSPSC代码:
12352202

质量水平

表单

lyophilized

比活

≥175 μmole/min-mg (NADPH oxidized)

制造商/商品名称

Calbiochem®

储存条件

OK to freeze

技术

protein purification: suitable

NCBI登记号

运输

wet ice

储存温度

2-8°C

基因信息

Escherichia coli ... grxB(946926)

一般描述

Research area: CELL SIGNALING

Glutaredoxins (GRXs) are small thiol belonging to the Thioredoxin (TRX) superfamily. Different isoforms with varied functions have been identified in E.coli namely: glutaredoxin 1, glutaredoxin 2, and glutaredoxin 3. Native glutaredoxin-S2 isolated from E. coli. Glutaredoxin functions as a glutathione-dependent hydrogen donor for ribonucleotide reductase. It is useful as a general disulfide reductant for the in vitro study of protein folding mechanisms and has been demonstrated to work in conjunction with protein disulfide isomerase to enhance refolding of scrambled RNase A and RNase T1.

应用

Glutaredoxin-S2 has been used:
  • to catalyze the reduction of S-glutathionylated cysteine residues, to facilitate the detection of protein S-glutathionylation in FFPE HLTF-/-CDX sections.
  • for reduction of the protein sulfhydryl groups that were modified by glutathione for subsequent labeling and purification of glutathionylated mitochondrial proteins.

生化/生理作用

Glutaredoxins (Grxs) are a group of small redox proteins that play crucial roles in maintaining iron-sulfur metabolism and cellular redox homeostasis. These proteins function as thioltransferases , dehydroascorbate reductases, and transhydrogenases. They also participate in de-nitrosylation reactions and contribute to the conversion of cystine. Additionally, GRX2 plays a key role in neural and cardiac development. Low levels of GRX2 transcripts in humans may lead to conditions such as fibrosis, hypertrophy, and infarctions of the left ventricle.

警告

Toxicity: Standard Handling (A)

单位定义

Units are defined using a standard HED assay.

外形

Lyophilized from 0.5% NH₄HCO₃.

重悬

Reconstitute in 1 ml 50 mM Tris-HCl, 1 mM EDTA, pH 7.5 to yield a final concentration of 1 mg/ml.

其他说明

Ruoppolo, M., et al. 1997. Biochemistry36, 12259.
Sun, C., et al. 1997. Protein Sci.6, 383.
Prinz, W.A., et al. 1997. J. Biol. Chem.272, 15661.
Holmgren, A. and Alund, F. 1995 Methods Enzymol.252, 283.
Hoog, J.O., et al. 1986. Gene43, 13.

法律信息

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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M Ruoppolo et al.
Biochemistry, 36(40), 12259-12267 (1997-10-07)
Protein folding, associated with oxidation and isomerization of disulfide bonds, was studied using reduced and denatured RNase A (rd-RNase A) and mixed disulfide between glutathione and reduced RNase A derivative (GS-RNase A) as starting materials. Folding was initiated by addition
Unique thiol metabolism in trypanosomatids: Redox homeostasis and drug resistance
Ali V, et al.
Advances in Parasitology, 117, 75-155 (2022)
J O Höög et al.
Gene, 43(1-2), 13-21 (1986-01-01)
Two DNA segments, together comprising 1147 bp and containing the glutaredoxin (GRX) gene, grx, from Escherichia coli K-12 were cloned and characterized in M13mp9. The gene was identified by hybridization with synthetic oligodeoxyribonucleotide probes corresponding to parts of the amino
Protein S-glutathionylation and the regulation of cellular functions
Mailloux RJ, et al.
Journal of Separation Science, 217-247 (2020)
Modulation of the specific glutathionylation of mitochondrial proteins in the yeast Saccharomyces cerevisiae under basal and stress conditions
Gergondey R, et al.
The Biochemical Journal, 474(7), 1175-1193 (2017)

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