The Human TSLP 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 TSLP applications are for cell culture, ELISA Standard, ELISpot Control, and Western Blot Control. Human TSLP yeast-derived recombinant protein can be purchased in multiple sizes. Human TSLP Specifications: (Molecular Weight:14.9 kDa) (Amino Acid Sequence:YDFTNCDFEK IKAAYLSTIS KDLITYMSGT KSTEFNNTVS CSNRPHCLTE IQSLTFNPTA GCASLAKEMF AMKTKAALAI WCPGYSETQI NATQAMKKRR KRKVTTNKCL EQVSQLQGLW RRFNRPLLKQ Q). For research use only. Made in the USA.