Synonyms
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ML-1, IL-24
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Species
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Human
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Accession
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Q96PD4
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GeneID
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112744
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Source
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Escherichia coli.
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Molecular Weight
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重组人白细胞介素-17F蛋白Approximately 30.1 kDa, a disulfide-linked homodimer of two 134 amino acid polypeptide chains.
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Quantity
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5µg/25µg/1000µg
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AA Sequence
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MRKIPKVGHT FFQKPESCPP VPGGSMKLDI GIINENQRVS MSRNIESRST SPWNYTVTWD PNRYPSEVVQ AQCRNLGCIN AQGKEDISMN SVPIQQETLV VRRKHQGCSV SFQLEKVLVT VGCTCVTPVI HHVQ
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Purity
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> 95 % by SDS-PAGE and HPLC analyses.
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Biological Activity
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重组人白细胞介素-17F蛋白Fully biologically active when compared to standard. The ED50 as determined by inducing IL-6 secretion of murine NIH/3T3 cells is less than 20 ng/ml, corresponding to a specific activity of > 5.0 × 104 IU/mg.
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Physical Appearance
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Sterile Filtered White lyophilized (freeze-dried) powder.
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Formulation
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Lyophilized from a 0.2 µm filtered concentrated solution in PBS, pH 7.4.
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Endotoxin
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Less than 1 EU/µg of rHuIL-17F as determined by LAL method.
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Reconstitution
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重组人白细胞介素-17F蛋白We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in 6 mM HCl to a concentration of 0.1mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
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Storage
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This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
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重组人白细胞介素-17F蛋白
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SDS-PAGE
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Reference
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1. Mungall AJ, Palmer SA, Sims SK, et al. 2003. Nature 425: 805-11.
2. Kolls JK, Linden A. 2004. Immunity 21: 467-76.
3. Hymowitz SG, Filvaroff EH, Yin JP, et al. 2001. EMBO J 20: 5332-41.
4. Starnes T, Robertson MJ, Sledge G, et al. 2001. J Immunol 167: 4137-40.
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Background
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Human Interleukin-17F (IL-17F) is encoded by the IL17F gene located on the chromosome 6 and belongs to the IL-17 family which contains IL-17A, IL-17B, IL-17C, IL-17D, IL-17E and IL-17F. IL-17F that shares 50 % homologous of crystal structure to IL-17A and is expressed by activated T cells, has the functions of stimulating production of other cytokines (such as IL-6, IL-8 and granulocyte colony-stimulating factor) and proliferation of PBMC and T-cell, regulating cartilage matrix turnover, and inhibiting angiogenesis.
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