Human IL 31 Protein

• Catalog Number: orb426516
• Category: Proteins
• Description: Recombinant of human IL 31 protein
• Form/Appearance: Sterile Filtered White lyophilized (freeze-dried) powder.
• Purity: Greater than 95.0% as determined by(a) Analysis by SEC-HPLC.(b) Analysis by SDS-PAGE.
• Solubility (25°C): It is recommended to reconstitute the lyophilized IL-31 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
• Protein Sequence: SHTLPVRLLR PSDDVQKIVE ELQSLSKMLL KDVEEEKGVL VSQNYTLPCL SPDAQPPNNI HSPAIRAYLK TIRQLDNKSV IDEIIEHLDK LIFQDAPETN ISVPTDTHEC KRFILTISQQ FSECMDLALK SLTSGAQQAT T
• Source: Escherichia Coli
• Biological Activity: The ED50 was determined by its ability to activate STAT following receptor ligand interaction and found to be < 5ng/ml, corresponding to a specific activity of 200,000 units.
• Storage: Stability: Lyophilized IL-31 Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL-31 should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles
• Buffer/Preservatives: The IL-31 (1mg/ml) was lyophilized with 20mM Phosphate buffer, 150mM NaCl pH-7.4.
• Alternative names: Interleukin 31, IL31, IL-31.
• Note: For research use only
• Application notes: Cytokines And Growth Factors
• Expiration Date: 6 months from date of receipt.