The Ferret APRIL yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Ferret APRIL applications are for cell culture, ELISA standard, and Western Blot Control. Ferret APRIL yeast-derived recombinant protein can be purchased in multiple sizes. Ferret APRIL Specifications: (Molecular Weight: 16.6 kDa) (Amino Acid Sequence: AALMHKHKQK KKHSVLHLVP INITSKEDSD VTEVMWQPAL KRGRGLEAQG YVVRVWDAGV YLLYSQVLFH DVTFTMGQVV SREGQGRQET LFRCVRSMPS NPDWAYNSCY SAGVFHLHQG DALSVTIPRG RAKLSLSPHG TFLGLVKL (148)) (Gene ID: 101683970 (Ferret), 116578386 (Ermine)). For research use only. Made in the USA