The IRF-4 yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. IRF-4 applications are for cell culture, ELISA standard, and Western Blot Control. IRF-4 yeast-derived recombinant protein can be purchased in multiple sizes. IRF-4 Specifications: (Molecular Weight: 12.9 kDa) (Amino Acid Sequence: NGKLRQWLID QIDSGKYPGL VWENEEKSIF RIPWKHAGKQ DYNREEDAAL FKAWALFKGK FREGIDKPDP PTWKTRLRCA LNKSNDFEEL VERSQLDISD PYKVYRIVP (109)) (Gene ID: n/a). For research use only. Made in the USA