硫氧还蛋白抗体规格 英文名称  Anti-Thioredoxin

中文名称  硫氧还蛋白抗体规格 

别    名 ADF; Surface associated sulphydryl protein;Thioredoxin-1; Thioredoxin 1; Thioredoxin1; TXN protein; ADF; ATL derived factor; DKFZp686B1993; MGC61975; SASP; Surface associated sulphydryl protein; Thioredoxin; TRDX; TRX 1; TRX; TRX1; TXN; TXN protein.

产品属性：

浓    度  1mg/1ml

规 格  0.1ml/100μg 0.2ml/200μg

抗体来源  Rabbit

克隆类型   polyclonal

交叉反应   Human, Mouse, Rat, Dog, Pig, Cow, Horse, Rabbit

产品类型   一抗  

研究领域     细胞生物 免疫学 信号转导 转录调节因子

蛋白分子量  predicted molecular weight: 12kDa 

性    状   Lyophilized or Liquid

免 疫 原  KLH conjugated synthetic peptide derived from human Thioredoxin (65-105aa)

亚    型  IgG

纯化方法   affinity purified by Protein A

储 存 液   0.01M PBS, pH 7.4 with 10 mg/ml BSA and 0.1% Sodium azide

硫氧还蛋白抗体规格 产品应用   ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500

（石蜡切片需做抗原修复） 

 not yet tested in other applications.

 optimal dilutions/concentrations should be determined by the end user.  

保存条件  Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C. 

Important Note  This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. 

产品介绍 Thioredoxins (Trx) are small, multi functional proteins with oxidoreductase activity and are ubiquitous in essentially all living cells. Trx contains a redox active disulfide/dithiol group within the conserved Cys-Gly-Pro-Cys active site. The two cysteine residues in the conserved active centers can be oxidized to form intramolecular disulfide bonds. Reduction of the active site disulfide in oxidized Trx is catalyzed by Trx reductase with NADPH as the electron donor. The reduced Trx is a hydrogen donor for ribonucleotide reductase, the essential enzyme for DNA synthesis, and a potent general protein disulfide reductase with numerous functions in growth and redox regulations. Specific protein disulfide targets for reduction by Trx include protein disulfide isomerase (PDI) and a number of transcription factors such as p53, NFkB and AP1.Trx is also capable of removing H2O2, particularly when it is coupled with either methionine sulfoxide reductase or several isoforms of peroxiredoxins.

TRX family; composed of two groups: Group I, which includes proteins that exclusively encode a TRX domain; and Group II, which are composed of fusion proteins of TRX and additional domains. Group I TRX is a small ancient protein that alter the redox state of target proteins via the reversible oxidation of an active site dithiol, present in a CXXC motif, partially exposed at the protein's surface. TRX reduces protein disulfide bonds, resulting in a disulfide bond at its active site. Oxidized TRX is converted to the active form by TRX reductase, using reducing equivalents derived from either NADPH or ferredoxins. By altering their redox state, TRX regulates the functions of at least 30 target proteins, some of which are enzymes and transcription factors. It also plays an important role in the defense against oxidative stress by directly reducing hydrogen peroxide and certain radicals, and by serving as a reductant for peroxiredoxins. At least two major types of functional TRXs have been reported in most organisms; in eukaryotes, they are located in the cytoplasm and the mitochondria. Higher plants contain more types (at least 20 TRX genes have been detected in the genome of Arabidopsis thaliana), two of which (types f amd m) are located in the same compartment, the chloroplast. Also included in the alignment are TRX-like domains which show sequence homology to TRX but do not contain the redox active CXXC motif. Group II proteins, in addition to either a redox active TRX or a TRX-like domain, also contain additional domains, which may or may not possess homology to known proteins.

Subunit : Homodimer; disulfide-linked. Interacts with TXNIP through the redox-active site. Interacts with MAP3K5 and CASP3. In case of infection, interacts with S.typhimurium protein slrP. Interacts with APEX1; the interaction stimulates the FOS/JUN AP-1 DNA-binding activity in a redox-dependent manner.

Subcellular Location : Nucleus. Cytoplasm. Secreted. Note=Secreted by a leaderless secretory pathway. Predominantly in the cytoplasm in non irradiated cells. Radiation induces translocation of TRX from the cytoplasm to the nucleus.

Similarity : Belongs to the thioredoxin family. Contains 1 thioredoxin domain.

硫氧还蛋白(Thioredoxin，Trx)是一类广泛存在于生物体内的多功能酸性蛋白，分子量约12kDa，是一种小分子含硒蛋白质,参与细胞的一系列生化反应，包括酶活性的调节、转录因子的调控等，是重要的酶活力调节蛋白。

硫氧还蛋白的功能绝大多数是依赖于硫氧还蛋白还原靶蛋白中的二硫键。所有硫氧还蛋白均有一个保守的活性中心，Trp-Cys-Gly(Ala)-Pro-Cys，活性中心有两个具有氧还活性的半胱氨酸残基。

实验流程：

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