Description: Recombinant Rat IL-2 Protein is produced by mammalian expression system and the target gene encoding Ala21-Gln155 is expressed with a 6His tag at the C-terminus. Form: Liquid in a 0.2 μm filtered solution of 5mM NaH2PO4, 5mM Citric acid, 150mM NaCl, pH4.0. Gene Symbol: IL2 Alternative Names: Interleukin-2; IL-2; T-cell growth factor; TCGF; AldesleukinEntrez Gene (Rat) : 116562SwissProt (Rat) : P17108Purity : Greater than 95% as determined by reducing SDS-PAGE.Chemical Structure : APTSSPAKET QQHLEQLLLD LQVLLRGIDN YKNLKLPMML TFKFYLPKQA TELKHLQCLE NELGALQRVL DLTQSKSFHL EDAGNFISNI RVTVVKLKGS ENKFECQFDD EPATVVEFLR RWIAICQSII STMTQHHHHH H Directions for Use : Please minimize freeze-thaw cycles. Quality Control : Endotoxin: Less than 0.1 ng/µg (1 IEU/µg) as determined by LAL test.Storage/Stability : Store it at -20°C to -80°C for one year. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.