The "LR3" in IGF-1 LR3 refers to a specific modification in the protein structure, where an arginine (Arg) is substituted at the third position
Goodwin Cartwright Truveta, Inc , Bellevue, WA, Patricia J
Appearance: white powder water: 6.0% max acetate content: 12.0%max purity(hplc): 98.0%min amino acid composition: +- 10% peptide content: 80% min bacterial endotoxin: 20eumg max shipment:dhl,ups,fedex,ems.
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Within the same experimental framework, we conducted a parallel evaluation using spermidine as a positive control 15
Harper JW, Ordureau A, Heo JM