Reactivity | HuSpecies Glossary |
Applications | PAGE, Bioactivity |
Format | Carrier-Free |
Concentration | LYOPH |
Description | A single non-glycosylated polypeptide chain containing 112 amino acids corresponding to IL-13 Source: E. coli Uniprot ID: P35225 Amino Acid Sequence: GPVPPSTALR ELIEELVNIT QNQKAPLCNG SMVWSINLTA GMYCAALESL INVSGCSAIE KTQRMLSGFC PHKVSAGQFS SLHVRDTKIE VAQFVKDLLL HLKKLFREGR FN |
Details of Functionality | IL-13 protein is fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 1 ng/ml, corresponding to a specific activity of > 1.0 x 10^6 IU/mg |
Source | E. coli |
Protein/Peptide Type | Recombinant Protein |
Gene | IL13 |
Purity | > 97 % pure by SDS-PAGE and HPLC |
Endotoxin Note | Less than 1 EU/ug of IL-13 as determined by LAL method. |
Dilutions |
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Theoretical MW | 12.5 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
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Publications |
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Storage | Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles. |
Buffer | Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4. |
Preservative | 5% Trehalose |
Concentration | LYOPH |
Purity | > 97 % pure by SDS-PAGE and HPLC |
Reconstitution Instructions | Recommended to centrifuge prior to opening. Reconstitute in 20 mM HCl to a concentration of 0.1-1.0mg/mL. Apportion stock solutions into working aliquots and store at <-20C. |
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