Recombinant Feline IL-2 (Cys146Ser) Protein, CF

• Supplier: R&D Systems
• Catalog: 1890-FL/CF
• Category: Protein
• Prices: $329.00
• Sizes: 20 µg
• Species Reactivities: Cat
• Nature: Recombinant
• Source: E. coli -derived Ala21-Thr154 (Cys146Ser), with and without an N-terminal Met
• Purity: >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
• Bioactivity: Measured in a cell proliferation assay using CTLL‑2 mouse cytotoxic T cells. Gearing, A.J.H. and C.B. Bird (1987) in Lymphokines and Interferons, A Practical Approach. Clemens, M.J. et al . (eds): IRL Press. 295. The ED 50 for this effect is 0.02-0.12 ng/mL.
• Endotoxin: <0.01 EU per 1 μg of the protein by the LAL method.
• SwissProt/Accession: Q07885
• Gene: IL2
• Sequence: Met & Ala21