5T8H:
reference: Room Temperature Neutron Crystallography of Drug Resistant HIV-1 Protease Uncovers Limitations of X-ray Structural Analysis at 100 K., Gerlits O, Keen DA, Blakeley MP, Louis JM, Weber IT, Kovalevsky A, J Med Chem. 2017 Feb 28. doi: 10.1021/acs.jmedchem.6b01767. PMID: 28195728

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