4YO9:
reference: Targeting zoonotic viruses: Structure-based inhibition of the 3C-like protease from bat coronavirus HKU4-The likely reservoir host to the human coronavirus that causes Middle East Respiratory Syndrome (MERS)., St John SE, Tomar S, Stauffer SR, Mesecar AD, Bioorg Med Chem. 2015 Jun 19. pii: S0968-0896(15)00533-7. doi:, 10.1016/j.bmc.2015.06.039. PMID: 26190463

This OCA Structure page
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