3UJ0:
reference: Structural and functional conservation of key domains in InsP(3) and ryanodine receptors., Seo MD, Velamakanni S, Ishiyama N, Stathopulos PB, Rossi AM, Khan SA, Dale P, Li C, Ames JB, Ikura M, Taylor CW, Nature. 2012 Jan 29. doi: 10.1038/nature10751. PMID: 22286060

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