5Y9V:
reference: Crystal structure of ryanodine receptor N-terminal domain from Plutella xylostella reveals two potential species-specific insecticide-targeting sites., Lin L, Liu C, Qin J, Wang J, Dong S, Chen W, He W, Gao Q, You M, Yuchi Z, Insect Biochem Mol Biol. 2017 Dec 2;92:73-83. doi: 10.1016/j.ibmb.2017.11.009. PMID: 29191465

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).