2J8H:
reference: Rigid Conformation of an Immunoglobulin Domain Tandem Repeat in the A-band of the Elastic Muscle Protein Titin., Muller S, Lange S, Gautel M, Wilmanns M, J Mol Biol. 2007 Aug 10;371(2):469-80. Epub 2007 May 25. PMID: 17574571

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