The Human TNF-R1 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 TNF-R1 applications are for cell culture, ELISA standard, and Western Blot Control. Human TNF-R1 yeast-derived recombinant protein can be purchased in multiple sizes. Human TNF-R1 Specifications: (Molecular Weight: 20.5 kDa) (Amino Acid Sequence: LVPHLGDREK RDSVCPQGKY IHPQNNSICC TKCHKGTYLY NDCPGPGQDT DCRECESGSF TASENHLRHC LSCSKCRKEM GQVEISSCTV DRDTVCGCRK NQYRHYWSEN LFQCFNCSLC LNGTVHLSCQ EKQNTVCTCH AGFFLRENEC VSCSNCKKSL ECTKLCLPQI ENVKGTEDSG TT (182)) (Gene ID: 7132). For research use only. Made in the USA