The Swine/Rabbit/Dolphin/Bat IGF-2 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/Rabbit/Dolphin/Bat IGF-2 applications are for cell culture, ELISA standard, and Western Blot Control. Swine/Rabbit/Dolphin/Bat IGF-2 yeast-derived recombinant protein can be purchased in multiple sizes. Swine/Rabbit/Dolphin/Bat IGF-2 Specifications: (Molecular Weight: 7.5 kDa) (Amino Acid Sequence: AYRPSETLCG GELVDTLQFV CGDRGFYFSR PASRVNRRSR GIVEECCFRS CDLALLETYC ATPAKSE (67)) (Gene ID: not available). For research use only. Made in the USA