3HSM:
reference: Crystal structure of type I ryanodine receptor amino-terminal beta-trefoil domain reveals a disease-associated mutation "hot spot" loop., Amador FJ, Liu S, Ishiyama N, Plevin MJ, Wilson A, MacLennan DH, Ikura M, Proc Natl Acad Sci U S A. 2009 Jul 7;106(27):11040-4. Epub 2009 Jun 18. PMID: 19541610

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