4ZBW:
reference: Crystal structure of the death effector domains of caspase-8., Shen C, Yue H, Pei J, Guo X, Wang T, Quan JM, Biochem Biophys Res Commun. 2015 Jul 31;463(3):297-302. doi:, 10.1016/j.bbrc.2015.05.054. Epub 2015 May 20. PMID: 26003730

This OCA Structure page
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