The Rabbit EGF yeast-derived recombinant protein is not tagged and is naturally endotoxin-free. The purity is greater than 98% as visualized by SDS-PAGE analysis. Rabbit EGF applications are for cell culture, ELISA Standard, ELISpot Control, and Western Blot Control. Rabbit EGF yeast-derived recombinant protein can be purchased in multiple sizes. Rabbit EGF Specifications: (Molecular Weight:4.9 kDa) (Amino Acid Sequence:EGGYTCMCAG SVSEPGLICP DSVPPFQLKE DEPSPGRNSF PGCPPSH). For research use only. Made in the USA.