- Publication Type:
- Journal Article
- Acta Crystallographica Section D: Structural Biology, 2017, 73 (1), pp. 45 - 52
- Issue Date:
© International Union of Crystallography, 2017. Quantum-based refinement utilizes chemical restraints derived from quantum-chemical methods instead of the standard parameterized library-based restraints used in refinement packages. The motivation is twofold: firstly, the restraints have the potential to be more accurate, and secondly, the restraints can be more easily applied to new molecules such as drugs or novel cofactors. Here, a new project called Q|R aimed at developing quantum-based refinement of biomacromolecules is under active development by researchers at Shanghai University together with PHENIX developers. The central focus of this long-term project is to develop software that is built on top of open-source components. A development version of Q|R was used to compare quantum-based refinements with standard refinement using a small model system.Quantum-based refinement software is being developed to refine biomacromolecules against crystallographic or cryo-electron microscopy data.
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