The Canine IL-33 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Canine IL-33 applications are for cell culture, ELISA standard, and Western Blot Control. Canine IL-33 yeast-derived recombinant protein can be purchased in multiple sizes. Canine IL-33 Specifications: (Molecular Weight: 17.8 kDa) (Amino Acid Sequence: SIQEYSASLS TYNDQSITFV FEDGSYEIYV EDLRKGQEKD KVLFRYYDSQ SPSHETGDDV DGQTLLVNLS PTKDKDFLLH ANNEEHSVEL QKCENQLPDQ AFFLLHRKSS ECVSFECKNN PGVFIGVKDN HLALIKVGDQ TKDSYIEKTI FKLS).