1JCO: Solution Structure Of The Monomeric [Thr(B27)->Pro,Pro(B28)- Insulin Mutant (Pt Insulin)
reference: Flexibility and bioactivity of insulin: an NMR investigation of the solution structure and folding of an unusually flexible human insulin mutant with increased biological activity., Keller D, Clausen R, Josefsen K, Led JJ, Biochemistry 2001 Sep 4;40(35):10732-40. PMID: 11524020

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