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形式
ammonium sulfate suspension
质量水平
比活
≥250 units/mg protein (biuret)
异质活性
Malic dehydrogenase <0.5% of base activity
储存温度
2-8°C
一般描述
Research area: Cell Signalling D-lactate dehydrogenase belongs to the D-isomer-specific 2-hydroxyacid dehydrogenase family. Lactate dehydrogenase (LD) is a tetramer consisting of two (H and M) subunits. It has five isozymes (LD1 to LD5) and this composition varies in different tissues. LD1 is abundant in the kidney, heart, and erythrocytes. LD5 is found in the liver and skeletal muscles. LD is a ubiquitous molecule found in plants, yeast, mammals, and microorganisms and is a member of the oxidoreductase family.
生化/生理作用
Lactic dehydrogenase (LDH)plays an important role in the glycolytic pathway where it converts pyruvate tolactate by using NAD+ as a co-factor. It is considered animportant molecule that can be used in cancer therapy as it acts as aglycolytic inhibitor. Inhibition of LDH is associated with blocking of aerobicglycolysis in tumour cells.
单位定义
One unit will reduce 1.0 μmole of pyruvate to D-lactate per min at pH 7.0 at 25 °C.
外形
Suspension in 3.2 M (NH4)2SO4, pH 6.0
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
常规特殊物品
H Taguchi et al.
The Journal of biological chemistry, 266(19), 12588-12594 (1991-07-05)
The gene encoding D-lactate dehydrogenase (D-lactate: NAD+ oxidoreductase, EC 1.1.1.28) of Lactobacillus plantarum has been sequenced, and expressed in Escherichia coli cells with an inducible expression plasmid, in which the 5'-noncoding region of the gene was replaced with the tac
Torben Larsen
Analytical biochemistry, 539, 152-157 (2017-11-06)
D-lactic acid in the mammalian body is mainly of microbiological origin and is often located somewhere along the digestive tract. Surgical, extensive re-sectioning of the small bowel may be one of the risk factors for altered balance in the microbiological
D L Zhang et al.
Postgraduate medical journal, 79(928), 110-112 (2003-03-04)
A 12 year old boy presented with 11 episodes of weakness, ataxia, nausea, slurred speech, dehydration, and sometimes severe lethargy bordering on coma. A year previously the boy had small intestinal resections leaving 20 cm of small bowel remaining. D-lactic
Monica Gallo et al.
Frontiers in bioscience (Landmark edition), 20(8), 1234-1249 (2015-05-12)
Despite the intense scientific efforts made, there are still many tumors that are difficult to treat and the percentage of patient survival in the long-term is still too low. Thus, new approaches to the treatment of cancer are needed. Cancer
Clinical utility of lactate dehydrogenase: a historical perspective.
Ishwarlal Jialal et al.
American journal of clinical pathology, 143(2), 158-159 (2015-01-18)
商品
以硫酸铵悬浮液形式提供的酶的使用指南
Instructions for working with enzymes supplied as ammonium sulfate suspensions
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