This report describes the chemical synthesis and biological characterization of novel three-chain insulin analogs with a destabilized secondary structure. The analogs, obtained by chemical synthesis via a single-chain precursor and selective enzymatic digestion, were used to investigate the role of the highly conserved 'insulin fold'. Biological characterization through in vitro biochemical signaling showed extremely low activity at each insulin receptor when compared with native insulin. We conclude that the 'insulin fold' is a structural foundation that supports insulin biological action.
CITATION STYLE
Wu, F., Chabenne, J. R., Gelfanov, V. M., Mayer, J. P., & DiMarchi, R. D. (2015). Three-chain insulin analogs demonstrate the importance of insulin secondary structure to bioactivity. Journal of Peptide Science, 21(3), 223–230. https://doi.org/10.1002/psc.2744
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