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    Difference in folding characteristics of Pro-Insulin and Insulin

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    Explains why pro-insulin can be refolded but not insulin (following Anifansen's experiments with ribonuclease)

    © BrainMass Inc. brainmass.com May 24, 2023, 1:49 pm ad1c9bdddf

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    In Anfinsen's original experiment, he denatured ribonuclease with 8M urea (this is a dissociating solvent and breaks all weak bonds). 2-mercaptoethanol is a reducing agent and reduces disulphide bridges to SH groups (sulphydryl), thus breaking them. This converts the enzyme to a random ...

    Solution Summary

    The solution explains why pro-insulin can be refolded but not insulin. The Anifansen's experiments with ribonuclease are given.