Recombinant Human Interleukin-13, Variant

SKU: orb1906333

Description

Recombinant Human Interleukin-13, Variant

Research Area

Immunology & Inflammation

Key Properties

• Source: Escherichia coli
• Expression System: Escherichia coli
• Biological Activity: Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 0.5 ng/ml, corresponding to a specific activity of > 2.0 x106 IU/mg.
• Molecular Weight: Approximately 12.3 kDa, a single non-glycosylated polypeptide chain containing 112 amino acids, with a substitution of Q for R at position 112 compared with the wild type IL-13.
• Protein Sequence: GPVPPSTALR ELIEELVNIT QNQKAPLCNG SMVWSINLTA GMYCAALESL INVSGCSAIE KTQRMLSGFC PHKVSAGQFS SLHVRDTKIE VAQFVKDLLL HLKKLFREGQ FN
• Purity: > 97 % by SDS-PAGE and HPLC analyses.
• Endotoxins: Less than 1 EU/ug of rHuIL-13, Variant as determined by LAL method.

Storage & Handling

• Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
• Form/Appearance: Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.2, with 5 % trehalose.
• Expiration Date: 6 months from date of receipt.
• Disclaimer: For research use only

Quick Database Links

UniProt

P35225