The Chicken & Turkey CXCL12 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Chicken & Turkey CXCL12 applications are for cell culture, ELISA standard, and Western Blot Control. Chicken & Turkey CXCL12 yeast-derived recombinant protein can be purchased in multiple sizes. Chicken & Turkey CXCL12 Specifications: (Molecular Weight: 8.0 kDa) (Amino Acid Sequence: EKPVSLTYRC PCRFFESNVA RANIKHLKIL STPNCSLQIV ARLKSNSKQV CIDPKLKWIQ EYLEKALNK (69)) (Gene ID: n/a). For research use only. Made in the USA