4R09:
reference: Toll-like receptor 8 senses degradation products of single-stranded RNA., Tanji H, Ohto U, Shibata T, Taoka M, Yamauchi Y, Isobe T, Miyake K, Shimizu T, Nat Struct Mol Biol. 2015 Feb;22(2):109-15. doi: 10.1038/nsmb.2943. Epub 2015 Jan, 19. PMID: 25599397

This OCA Structure page
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