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| Catalogue Number | CHM-256 |
| Synonyms | Small inducible cytokine A11, CCL11, Eosinophil chemotactic protein, chemokine (C-C motif) ligand 11, SCYA11, MGC22554. |
| Introduction | Chemokine (C-C motif) ligand 11 (CCL11) is a small cytokine belonging to the CC chemokine family that is also known as eotaxin. CCL11 selectively recruits eosinophils by inducing their chemotaxis, and therefore, is implicated in allergic responses. The effects of CCL11 are mediated by its binding to a G-protein-linked receptor known as a chemokine receptor. Chemokine receptors for which CCL11 is a ligand include CCR2, CCR3 and CCR5. The gene for human CCL11 (scya11) is encoded on three exons and is located on chromosome 17. |
| Description | Eotaxin Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 74 amino acids and having a molecular mass of 8345.9 Dalton. The CCL11 is purified by proprietary chromatographic techniques. |
| Source | Escherichia Coli. |
| Physical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation | The CCL11 was lyophilized from a concentrated (1mg/ml) solution in water containing no additives. |
| Solubility | It is recommended to reconstitute the lyophilized Eotaxin Human Recombinant in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions. |
| Stability | Lyophilized Eotaxin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CCL11 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles. |
| Purity | Greater than 98.0% as determined by(a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE. |
| Amino acid sequence | The sequence of the first five N-terminal amino acids was determined and was found to be Gly-Pro-Ala-Ser-Val. |
| Biological Activity | The activity is determined by the chemoattract of human PBE (peripheral blood eosinophils) at a concentration between 0.1-10 ng/ml corresponding to a Specific Activity of 10,000-10,000,000IU/mg. |
| Protein Content | Protein quantitation was carried out by two independent methods 1. UV spectroscopy at 280 nm using the absorbency value of 1.013 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a standard solution of Eotaxin as a Reference Standard. |
| Patent Protected Coutries | The Sale of Eotaxin Human Recombinant by ProSpec is prohibited in the following countries: United States, Denmark, Great Britain, Germany, and Australia. |
| Usage | ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The products may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals. |
手機(jī)版：Eotaxin Human
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