Complex IV人Enzyme Activity Dipstick Assay试剂盒
Complex IV Human Enzyme Activity Dipstick Assay Kit
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(17 Publications)
Complex IV Human Enzyme Activity Dipstick Assay Kit immunoassay kit for the detection of Complex IV Human Enzyme Activity Dipstick Assay Kit in Cow, Human in Cell/Tissue Extracts samples.
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COX4, COX4I1, Cytochrome c oxidase polypeptide IV, Cytochrome c oxidase subunit IV isoform 1, COX IV-1
- FuncS
Supplier Data
Functional Studies - Complex IV Human Enzyme Activity Dipstick Assay Kit (AB109876)
An example using ab109876 to measure Complex IV activity in fibroblast protein extracts. Developed dipsticks from a 1 : 2 dilution series using a positive control sample and the associated standard curve. Starting material was 100 μg of fibroblast protein extract.
- FuncS
Supplier Data
Functional Studies - Complex IV Human Enzyme Activity Dipstick Assay Kit (AB109876)
An example using ab109876 to measure Complex IV activity in fibroblast protein extracts. Based on the standard curve, 50 μg of protein extract were loaded onto a dipstick for each sample. The figure shows four developed dipsticks, a control sample (1) and four unknowns (2-6). The analysis of the signal intensity and interpolation from the standard curve showed that the unknown samples have between 15-61% of normal Complex IV activity levels.
- FuncS
Supplier Data
Functional Studies - Complex IV Human Enzyme Activity Dipstick Assay Kit (AB109876)
Abcam's enzyme activity assays apply a novel approach, whereby target enzymes are first immunocaptured from tissue or cell samples before subsequent functional analysis. Dipstick ELISA Kits extend this concept by utilizing the well-established lateral flow concept, wherein capture antibodies are striped onto nitrocellulose membrane and a wicking pad draws the sample through the antibody bands. All of our ELISA kits utilize highly validated monoclonal antibodies and proprietary buffers, which are able to capture even very large enzyme complexes in their fully-intact, functionally-active states.
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产品详情
Contains 30 or 90 dipsticks and necessary components to quantify the activity of the cytochrome c oxidase enzyme complex from human and bovine samples. The kit includes sufficient materials to generate a standard curve and evaluate several unknown samples.
The isolation of mitochondria is not necessary for the performance of this assay. In this kit the specificity of anti-COX monoclonal antibodies (mAbs) is combined with traditional methods for determining COX enzyme activity by histochemical methods and in-gel activity assays. First, the COX enzyme complex is immnocaptured (i.e immunoprecipated in active form) on the dipstick. Second, the dipstick is immersed in COX activity buffer containing reduced cytochrome c and di-amino benzidinetetrachloride (DAB), which serves as the reporter of COX activity. Immunocaptured COX oxidizes cytochrome c, which then oxidizes DAB to form a red-colored precipitate at the COX antibody line on the dipstick. In addition to being quick, the reaction is cyanide-sensitive. The signal intensity of this precipitate corresponds to the level of COX activity in the sample. The signal intensity is best measured by a dipstick reader or may be analyzed by another imaging system.
Store dipsticks at room temperature in their provided container and out of direct sunlight. High humidity conditions should be avoided.
Store Buffer A, B, and C at 4°C or at -20°C for long term storage.
Store Tubes 1 and 2 at -80°C; they can also be aliquoted upon receipt to prevent freeze/thaw cycles.
Tube 3 can be stored at room temperature.
Range of complex IV / cytochrome c oxidase assay kits
Biochemical assay - ab239711
Immunocapture with biochemical assay (plate-based) - ab109911 (rodent) and ab109909 (human)
Immunocapture with biochemical assay (dipstick) - ab109878 (rodent) and ab109876 (human) (this kit)
Immunocapture with biochemical assay and ELISA - ab109910 (human)
ELISA - ab179880 (human)
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性能和储存信息
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推荐的短期储存条件
推荐的长期储存条件
储存信息
补充信息
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
Cytochrome c oxidase plays a critical role in cellular respiration. It forms part of the larger enzyme complex which also includes Complex I II and III. These complexes work together to create a proton gradient across the inner mitochondrial membrane essential for ATP synthesis via oxidative phosphorylation. This enzyme's activity is measured through assays like the cytochrome c oxidase assay which evaluates its function in various tissues. These assays help researchers understand how effectively electrons are being transferred and protons are driven across the membrane.
Pathways
Complex IV is integral to the oxidative phosphorylation pathway and the broader mitochondrial respiratory chain. It interacts closely with cytochrome c a small heme protein that shuttles electrons between Complex III (cytochrome c reductase) and Complex IV. Through these interactions the proton gradient is established enabling ATP synthase to convert chemical energy into usable cell energy. This process significantly impacts cellular metabolism and energy production influencing how efficiently cells function.
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文献 (17)
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