The Human CCL19 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 CCL19 applications are for cell culture, ELISA Standard, ELISpot Control, and Western Blot Control. Human CCL19 yeast-derived recombinant protein can be purchased in multiple sizes. Human CCL19 Specifications: (Molecular Weight:8.8 kDa) (Amino Acid Sequence:GTNDAEDCCL SVTQKPIPGY IVRNFHYLLI KDGCRVPAVV FTTLRGRQLC APPDQPWVER IIQRLQRTSA KMKRRSS). For research use only. Made in the USA.