Apolipoprotein E2, Recombinant, Human (Apo E2, APOE2, APOE)
Catalog No : USB-A2299-76K
364.38€
0.00€
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| Product name | Apolipoprotein E2, Recombinant, Human (Apo E2, APOE2, APOE) | ||
|---|---|---|---|
| Catalog No | USB-A2299-76K | ||
| Supplier’s Catalog No | A2299-76K | ||
| Supplier | US Biologicals | ||
| Source antigen | Recombinant, E. coli | ||
| Reactivity | |||
| Cross reactivity | |||
| Applications | |||
| Molecular weight | 34.3 | ||
| Storage | -20°C | ||
|---|---|---|---|
| Other names | |||
| Grade | Highly Purified | ||
| Purity | ≥90% (SDS-PAGE and HPLC) | ||
| Form | Supplied as a lyophilized powder without additives. Reconstitute with ddH2O to a concentration of 0.1-1mg/ml. | ||
| Reactivity life | 6 months | ||
| Note | For reserch purpose only | ||
| Description | ApoE belongs to a group of proteins that bind reversibly with lipoprotein and play an important role in lipid metabolism. In addition to facilitating solublization of lipids, these proteins help to maintain the structural integrity of lipoproteins, serve as ligands for lipoprotein receptors, and regulate the activity of enzymes involved in lipid metabolism. Significant quantities of ApoE are produced in liver and brain and to some extent in almost every organ. ApoE is an important constituent of all plasma lipoproteins. It's interaction with specific ApoE receptor enables uptake of chylomicron remnants by liver cells, which is an essential step during normal lipid metabolism. It also binds with the LDL receptor (apo B/E). Defects in ApoE are a cause of hyperlipoproteinemia type III. ApoE exists in three major isoforms; E2, E3, and E4, which differ from one another by a single amino-acid substitution. Compared with E3 and E4, E2 exhibits the lowest receptor binding affinity. E2 allele carriers had significantly lower levels of total cholesterol, low-density lipoprotein cholesterol, and non-high-density lipoprotein cholesterol, as well as increased ApoE levels. Recombinant human ApoE2 is a 34.3kD protein containing 300 amino acid residues. Source: E.coli Endotoxin: ≤0.1ng/ug Storage and Stability: Lyophilized powder may be stored at 4°C for short-term only. Stable for at least 6 months at -20°C. Reconstitute with sodium phosphate, pH 7.8, 0.5mMDTT to a concentration of 0.1-1mg/ml, aliquot and store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. | ||
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