Beta 2 Microglobulin, Human (B2M)
Catalog No : USB-208751
531.05€
0.00€
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| Product name | Beta 2 Microglobulin, Human (B2M) | ||
|---|---|---|---|
| Catalog No | USB-208751 | ||
| Supplier’s Catalog No | 208751 | ||
| Supplier | US Biologicals | ||
| Source antigen | Human urine | ||
| Reactivity | |||
| Cross reactivity | |||
| Applications | |||
| Molecular weight | |||
| Storage | -20°C | ||
|---|---|---|---|
| Other names | |||
| Grade | Purified | ||
| Purity | Purified (~40-90%) | ||
| Form | Supplied as a lyophilized powder in 0.02M NH4HCO3. No preservative added. Reconstitute with sterile PBS, pH 7.4. | ||
| Reactivity life | 12 months | ||
| Note | For reserch purpose only | ||
| Purity | Purified (~40-90%) | ||
| Description | Beta-2-microglobulin (B2M) is found in the serum of normal individuals and in the urine in elevated amounts in patients with Wilson disease, cadmium poisoning, and other conditions leading to renal tubular dysfunction. Like immunoglobulins, prealbumin, and the beta protein found in the amyloid of Alzheimer disease, B2M has a predominantly beta-pleated sheet structure that may adopt the fibrillar configuration of amyloid in certain pathologic states. The protein is a single polypeptide chain of molecular weight 11,600 (human 119aa, chromosome 15). B2M associates with heavy hcain of class I MHC antigens on the cell surface. A transient complex of MHC-heavy chain and B2M is is known to be assembled into the TAP molecule involving interation with a number of chaperones. Binding of the processed peptide releases the class I-B2M complex to the cell surface. Absence of binding leads to degradation in the proteasome. Progressive hepatic iron overload, indistinguishable from that observed in HFE, was found only in mice homozygous for the mutated B2M gene. Source: B2M, from human urine Applications: Suitable for use in ELISA. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Storage and Stability: Lyophilized powder may be stored at -20°C. Reconstitute with sterile buffer. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months 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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