The Swine 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. Swine CXCL12 applications are for cell culture, ELISA standard, and Western Blot Control. Swine CXCL12 Specifications: (Molecular Weight: 10.7 kDa) (Amino Acid Sequence: DEKPVSLSYR CPCRFFESHV ARANIKHLKI LNTPNCALQI VARLKSNNRQ VCIDPKLKWI QEYLEKALNK PSPTLSGLTS ALGSSLASTT VGITSRS). For research use only. Made in the USA.