The Duck 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. Duck CCL19 applications are for cell culture, ELISA standard, and Western Blot Control. Duck CCL19 yeast-derived recombinant protein can be purchased in multiple sizes. Duck CCL19 Specifications: (Molecular Weight: 8.6 kDa) (Amino Acid Sequence: GNNVLDCCLR TSENPIPRRI VQRYQIQLVQ DGCEIPANVF ITVRGKRLCA PLEAPWAVRL REKLDSGSAR KVPNKGN (77)) (Gene ID: 101795039). For research use only. Made in the USA