The Human IL-18 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Human IL-18 applications are for cell culture, ELISA standard, and Western Blot Control. Human IL-18 yeast-derived recombinant protein can be purchased in multiple sizes. Human IL-18 Specifications: (Molecular Weight: 18.2 kDa) (Amino Acid Sequence: YFGKLESKLS VIRNLNDQVL FIDQGNRPLF EDMTDSDCRD NAPRTIFIIS MYKDSQPRGM AVTISVKCEK ISTLSCENKI ISFKEMNPPD NIKDTKSDII FFQRSVPGHD NKMQFESSSY EGYFLACEKE RDLFKLILKK EDELGDRSIM FTVQNED (157)) (Gene ID: 3606). For research use only. Made in the USA