5II0:
reference: Type II Turn of Receptor-bound Salmon Calcitonin Revealed by X-ray Crystallography., Johansson E, Hansen JL, Hansen AM, Shaw AC, Becker P, Schaffer L, Reedtz-Runge S, J Biol Chem. 2016 May 4. pii: jbc.M116.726034. PMID: 27189946

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