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一般描述
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) localizes to the cytoplasm but can be translocated to the nucleus depending on cellular conditions. It is a tetramer containing identical chains. The gene encoding GAPDH is localized on human chromosome 12p13.
应用
Human glyceraldehyde-3-phosphate dehydrogenase has been used as a positive control for hydrogen sulfide treatment to detect sulfhydration of protein targets.
生化/生理作用
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) catalyzes the reversible oxidative phosphorylation of glyceraldehyde-phosphate, which is a critical energy-yielding step in carbohydrate metabolism. It binds to several proteins including actin, tubulin, amyloid precursor, polyglutamine peptides, DRPLA (dentatorubral-pallidoluysian atrophy) and huntingtin. Phosphorylated GAPDH associates with cytoskeletal elements and controls microtubule dynamics in the early secretory pathway. GAPDH is also a component of the functional GAIT (interferon-?-activated inhibitor of translation) mRNP (messenger ribonucleoprotein). GAPDH expression is dysregulated during melanoma progression.
单位定义
One unit will reduce 1.0 μmole of 3-phosphoglycerate to D-glyceraldehyde 3-phosphate per minute in a coupled system with 3-phosphoglyceric phosphokinase (3-PGK) at pH 7.6 at 25 °C
外形
This product is recombinant, human GAPDH expressed in E. coli with an N-terminal histidine tag and has a predicted molecular mass of 37,984 Da. The product is lyophilized from a buffered solution with stabilizers.
其他说明
Alternative number: CAS Number 9001-50-7
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
常规特殊物品
Noncanonical function of glutamyl-prolyl-tRNA synthetase: gene-specific silencing of translation.
Sampath P, et al.
Cell, 119(2), 195-208 (2004)
Hydrogen sulfide inhibits Kir2 and Kir3 channels by decreasing sensitivity to the phospholipid PIP2.
Ha J, et al.
The Journal of Biological Chemistry, RA117-RA117 (2018)
Deregulation of glyceraldehyde-3-phosphate dehydrogenase expression during tumor progression of human cutaneous melanoma.
Ramos D, et al.
Anticancer Research, 35(1), 439-444 (2015)
Gennaro Napolitano et al.
EMBO molecular medicine, 7(2), 158-174 (2015-01-15)
Metabolite accumulation in lysosomal storage disorders (LSDs) results in impaired cell function and multi-systemic disease. Although substrate reduction and lysosomal overload-decreasing therapies can ameliorate disease progression, the significance of lysosomal overload-independent mechanisms in the development of cellular dysfunction is unknown
Glyceraldehyde-3-phosphate dehydrogenase is phosphorylated by protein kinase Ciota /lambda and plays a role in microtubule dynamics in the early secretory pathway.
Tisdale E J.
The Journal of Biological Chemistry, 277(5), 3334-3341 (2002)
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