- SynonymGAPDH,GAPD,CDABP0047,OK/SW-cl.12
- SourceHuman GAPDH, His Tag (GAH-H5145) is expressed from E.coli cells. It contains AA Gly 2 - Glu 335 (Accession # AAH01601).Predicted N-terminus: MetRequest for sequence
- Molecular Characterization

This protein carries a polyhistidine tag at the N-terminus.
The protein has a calculated MW of 36.9 kDa. The protein migrates as 37 kDa under reducing (R) condition (SDS-PAGE).
- EndotoxinLess than 1.0 EU per μg by the LAL method.
- Purity
>95% as determined by SDS-PAGE.
- Formulation
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 150 mM NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.
Contact us for customized product form or formulation.
- Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
- Storage
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.

Human GAPDH, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
- BackgroundGlyceraldehyde-3-phosphate dehydrogenase (GAPDH) is also known as Peptidyl-cysteine S-nitrosylase GAPDH, which is an enzyme that catalyzes the sixth step of glycolysis and thus serves to break down glucose for energy and carbon molecules. GAPDH has both glyceraldehyde-3-phosphate dehydrogenase and nitrosylase activities, thereby playing a role in glycolysis and nuclear functions, respectively. GAPDH can participate in nuclear events including transcription, RNA transport, DNA replication and apoptosis. Also, GAPDH can modulate the organization and assembly of the cytoskeleton. Furthermore, GAPDH is a component of the GAIT (gamma interferon-activated inhibitor of translation) complex which mediates interferon-gamma-induced transcript-selective translation inhibition in inflammation processes.
- References
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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抗原注射进入动物体内后,因为不是一个单独的分子,会随血液循环输送到各处,也就会接触不同的免疫细胞。有些还会被抗原提呈细胞再加工。所以最后的结果是很多个免疫细胞都会接触到。一个抗原分子也有很多抗原表位。每个表位理论上都有能力激活一个B细胞转化为浆细胞。所以体内最后针对该抗原的必定是多克隆
由于动物个体差异的存在,同一抗原免疫同一种系不同个体的动物,产生的抗体的效价有很大的差异.与动物的年龄和营养状况密切相关.免疫用的动物最好选择适龄的健康雄性动物,雌性动物特别是妊娠动物用于制备免疫抗体则非常不合适,有时甚至不产生抗体.
先饲养观察7天其实就是等于隔离检疫,观察一下兔子的身体状况和是否带有其他传染病,淘汰体质多病的个体,防止在免疫过程中死亡或免疫应答不灵敏而不产生抗体.
IgM占血清免疫球蛋白总量的6%,主要存在血管内,是机体受抗原刺激后最先产生的抗体,起“先锋免疫”作用,具有很强的细胞毒活性和细胞溶解活性,由于IgM主要存在在血管内,是抗血管内感染的第一线抗体,对防止败血症的发生有重要作用。
IgG-主力抗体
IgG是初级免疫应答中最持久、最重要的抗体,它仅以单体形式存在。大多是抗菌性、抗毒性和抗病毒抗体属于IgG,它在抗感染中起到主力军作用,它能够促进单核巨噬细胞的吞噬作用(调理作用),中和细菌毒素的毒性(中和毒素)和病毒抗原结合使病毒失去感染宿主细胞的能力(中和病毒)。
IgA-局部抗体
按其免疫功能又分为血清型及分泌型两种。血清型IgA存在于血清中,其含量占总IgA的85%左右。血清型IgA虽有IgG和IgM的某些功能,但在血清中并不显示重要的免疫功能。分泌型IgA存在于分泌液中,如唾液、泪液、初乳、鼻和支气管分泌液、胃肠液、尿液、汗液等。分泌型IgA是机体粘膜局部抗感染免疫的主要抗体。故又称粘膜局部抗体。

