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| Catalog # | Availability | Size | Quantity | Unit Price | Save For Later Wish List | |
|---|---|---|---|---|---|---|
| RCP0465-5 | 7 days | 5 µg | $120.00 |
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| RCP0465-20 | 7 days | 20 µg | $290.00 | |||
| RCP0465-1 | 7 days | 1 mg | $5,760.00 |
Product Overview | |
| Name | CLTB Human |
|---|---|
| Description | |
| Clathrin, Light Chain B Human Recombinant | |
| Accession (Primary) | P09497 |
| Synonyms | |
| CLI, AAG4, KUB1, SGP2, SGP-2, SP-40, TRPM2, MGC24903, Clusterin, Apolipoprotein J, Apo-J. | |
| Introduction | |
| Clusterin also named Apolipoprotein J (APO-J) is a 75-80 kD disulfide-linked heterodimeric protein containing about 30% of N-linked carbohydrate rich in sialic acid but truncated forms targeted to the nucleus have also been identified. The precursor polypeptide chain is cleaved proteolytically to remove the 22-mer secretory signal peptide and subsequently between residues 227/228 to generate the a and b chains. These are assembled in anti-parallel to give a heterodimeric molecule in which the cysteine-rich centers are linked by five disulfide bridges and are flanked by two predicted coiled-coil a-helices and three predicted amphipathic a-helices. Across a broad range of species clusterin shows a high degree of sequence homology ranging from 70% to 80%. It is nearly ubiquitously expressed in most mammalian tissues and can be found in plasma, milk, urine, cerebrospinal fluid and semen. It is able to bind and form complexes with numerous partners such as immunoglobulins, lipids, heparin, bacteria, complement components, paraoxonase, beta amyloid, leptin and others. Clusterin has been ascribed a plethora of functions such as phagocyte recruitment, aggregation induction, complement attack prevention, apoptosis inhibition, membrane remodeling, lipid transport, hormone transport and/or scavenging, matrix metalloproteinase inhibition. A genuine function of clusterin has not been defined. One tempting hypothesis says that clusterin is an extracellular chaperone protecting cells from stress induced insults caused by degraded and misfolded protein precipitates. Clusterin is up- or down regulated on the mRNA or protein level in many pathological and clinically relevant situations including cancer, organ regeneration, infection, Alzheimer disease, retinitis pigmentosa, myocardial infarction, renal tubular damage, autoimmunity and others. | |
| Source | |
| Plasma. | |
| Physical Appearance | |
| Filtered White lyophilized (freeze-dried) powder. | |
| Formulation | |
| Human native Clusterin was filtered (0.4 µm) and lyophilized from 0.5mg/ml in 0.1M phosphate buffer, 0.15M NaCl pH 7.5. | |
| Stability | |
| Store lyophilized Clusterin at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C. | |
| Purity | |
| Greater than 95% as determined by SDS PAGE. | |
| Solubility | |
| It is recommended to add deionized H 2 O to prepare a working stock solution of 0.5mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture. | |
| Precautions | |
| CLTB Human is for research use only and not for use in diagnostic or therapeutic procedures. | |
Target Information: ( P09497 ) | |
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