5UPW:
reference: CryoEM Structure Refinement by Integrating NMR Chemical Shifts with Molecular Dynamics Simulations., Perilla JR, Zhao G, Lu M, Ning J, Hou G, Byeon IL, Gronenborn AM, Polenova T, Zhang P, J Phys Chem B. 2017 Feb 22. doi: 10.1021/acs.jpcb.6b13105. PMID: 28181439

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