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3-磷酸甘油醛脱氢酶
产品名称:
3-磷酸甘油醛脱氢酶
英文名称:
GAPDH
型号:
0755
产品库存
100
产品价格
电议

产品详情

 

中文名称 3-磷酸甘油醛脱氢酶
别    名 Glyceraldehyde-3-phosphate dehydrogenase.  

 

研究领域 细胞生物  免疫学  
抗体来源 Rabbit
克隆类型 Polyclonal
交叉反应 Human, Rat,  (predicted: Mouse, )
产品应用 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 Flow-Cyt=1ug/Test ICC=1:100 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.
分 子 量 37kDa
细胞定位 细胞核 细胞浆 细胞膜 
性    状 Liquid
浓    度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from the middle of human GAPDH:231-335/335 
亚    型 IgG
纯化方法 affinity purified by Protein A
储 存 液 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
保存条件 Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
PubMed PubMed
产品介绍 Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is well known as one of the key enzymes involved in glycolysis. It catalyzes an important energy-yielding step in carbohydrate metabolism, thereversible oxidative phosphorylation of glyceraldehyde-3-phosphatein the presence of inorganic phosphate and nicotinamide adenine dinucleotide (NAD). Recent evidence suggests that it also is involved in a number of cellular processes such as membrane fusion, phosphotransferase activity, DNA replication and repair, and nuclear RNA export (1). GAPDH has also been implicated in playing a role in different pathologies such as cancer progression, apoptosis, and neuronal diseases such as Alzheimer’s and Huntington’s disease (2). GAPDH is constitutively expressed at high levels in almost all tissues and cell lines making it ideal for use as a loading control marker in immunoblots.

Function:
Has both glyceraldehyde-3-phosphate dehydrogenase and nitrosylase activities, thereby playing a role in glycolysis and nuclear functions, respectively. Participates in nuclear events including transcription, RNA transport, DNA replication and apoptosis. Nuclear functions are probably due to the nitrosylase activity that mediates cysteine S-nitrosylation of nuclear target proteins such as SIRT1, HDAC2 and PRKDC. Glyceraldehyde-3-phosphate dehydrogenase is a key enzyme in glycolysis that catalyzes the first step of the pathway by converting D-glyceraldehyde 3-phosphate (G3P) into 3-phospho-D-glyceroyl phosphate.

Subunit:
Homotetramer. Interacts with TPPP; the interaction is direct. Interacts (when S-nitrosylated) with SIAH1; leading to nuclear translocation. Interacts with RILPL1/GOSPEL, leading to prevent the interaction between GAPDH and SIAH1 and prevent nuclear translocation. Interacts with EIF1AD, USP25, PRKCI and WARS.

Subcellular Location:
Cytoplasm, cytosol. Nucleus. Cytoplasm, perinuclear region. Membrane. Note=Translocates to the nucleus following S-nitrosylation and interaction with SIAH1, which contains a nuclear localization signal. Postnuclear and Perinuclear regions.

Post-translational modifications:
S-nitrosylation of Cys-152 leads to interaction with SIAH1, followed by translocation to the nucleus.
ISGylated (Probable).
Sulfhydration at Cys-152 increases catalytic activity.

Similarity:
Belongs to the glyceraldehyde-3-phosphate dehydrogenase family.

SWISS:
P04406

Gene ID:
2597

Database links:

Entrez Gene: 2597 Human

Entrez Gene: 100042025 Mouse

Entrez Gene: 14433 Mouse

Entrez Gene: 24383 Rat

Entrez Gene: 685186 Rat

Omim: 138400 Human

SwissProt: P04406 Human

SwissProt: P16858 Mouse

SwissProt: P04797 Rat

Unigene: 544577 Human

Unigene: 592355 Human

Unigene: 598320 Human

Unigene: 304088 Mouse

Unigene: 129558 Rat

Unigene: 91450 Rat



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

甘油醛-3-磷酸脱氢酶(Glyceraldehyde 3 phosphate dehydrogenase,GAPDH)是糖酵解(glycolysis)过程中的关键酶。除了在胞质中作为糖酵解的酶以外,有证据表明哺乳动物细胞中的GAPDH参与了多种胞内生化过程,包括膜融合(membrane fusion)、微管成束(microtubule bundling)、磷酸转移酶(phosphotransferase)激活、核内RNA出核、DNA复制与DNA修复。一些生理因素,诸如低氧(hypoxia)和尿糖(diabetes),可以增加GAPDH在特定细胞中的表达。GAPDH存在于几乎所有的组织中,以高水平持续表达。
GAPDH(甘油醛-3-磷酸脱氢酶)是参与糖酵解的一种关键酶,由4个30-40kDa的亚基组 GAPDH蛋白几乎在所有组织中都高水平表达,广泛用作Western blot蛋白质标准化的内参,是很好的内参抗体。
GAPDH 作为管家基因在同种细胞或者组织中的蛋白质表达量一般是恒定的。在实验中,可能存在总蛋白浓度测定不准确;或者蛋白质样品在电泳前上样时产生的样品间的操作误差;这些误差需要通过测定每个样品中实际转到膜上的GAPDH的含量来进行校正,所以一般的western实验都需要进行内参设置。具体校正的方法就是将每个样品测得的目的蛋白含量与本样品的GAPDH含量相除,得到每个样品目的蛋白的相对含量。然后才进行样品与样品之间的比较。
 
产品图片 Tissue/cell: human lung carcinoma; 4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min;
Incubation: Anti-GAPDH Polyclonal Antibody, Unconjugated(bs-0755R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining
Tissue/cell: rat kidney carcinoma; 4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min;
Incubation: Anti-GAPDH Polyclonal Antibody, Unconjugated(bs-0755R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining
Tissue/cell: A549 cell; 4% Paraformaldehyde-fixed; Triton X-100 at room temperature for 20 min; Blocking buffer (normal goat serum, C-0005) at 37°C for 20 min; Antibody incubation with (GAPDH) polyclonal Antibody, Unconjugated (bs-0755R) 1:100, 90 minutes at 37°C; followed by a FITC conjugated Goat Anti-Rabbit IgG antibody at 37°C for 90 minutes, DAPI (blue, C02-04002) was used to stain the cell nuclei.Tissue/cell: A549 cell; 4% Paraformaldehyde-fixed; Triton X-100 at room temperature for 20 min; Blocking buffer (normal goat serum, C-0005) at 37°C for 20 min; Antibody incubation with (GAPDH) polyclonal Antibody, Unconjugated (bs-0755R) 1:100, 90 minutes at 37°C; followed by a FITC conjugated Goat Anti-Rabbit IgG antibody at 37°C for 90 minutes, DAPI (blue, C02-04002) was used to stain the cell nuclei.Blank control (Black line): U87MG (Black).
Primary Antibody (green line): Rabbit Anti-GAPDH antibody (bs-0755R)
Dilution: 1μg /10^6 cells;
Isotype Control Antibody (orange line): Rabbit IgG .
Secondary Antibody (white blue line): Goat anti-rabbit IgG-AF647
Dilution: 1μg /test.
Protocol
The cells were fixed with 4% PFA (10min at room temperature)and then permeabilized with 90% ice-cold methanol for 20 min at room temperature. The cells were then incubated in 5%BSA to block non-specific protein-protein interactions for 30 min at room temperature .Cells stained with Primary Antibody for 30 min at room temperature. The secondary antibody used for 40 min at room temperature. Acquisition of 10,000 events was performed.

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