5T6G:
reference: Structure-based exploration and exploitation of the S4 subsite of norovirus 3CL protease in the design of potent and permeable inhibitors., Galasiti Kankanamalage AC, Kim Y, Rathnayake AD, Damalanka VC, Weerawarna PM, Doyle ST, Alsoudi AF, Dissanayake DM, Lushington GH, Mehzabeen N, Battaile KP, Lovell S, Chang KO, Groutas WC, Eur J Med Chem. 2016 Nov 14;126:502-516. doi: 10.1016/j.ejmech.2016.11.027. PMID: 27914364

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