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REFMAC 5 for the refinement of macromolecular crystal structures
Open accessAbstract
This paper describes various components of the macromolecular crystallographic refinement program REFMAC5, which is distributed as part of the CCP4 suite. REFMAC5 utilizes different likelihood functions depending on the diffraction data employed (amplitudes or intensities), the presence of twinning and the availability of SAD/SIRAS experimental diffraction data. To ensure chemical and structural integrity of the refined model, REFMAC5 offers several classes of restraints and choices of model parameterization. Reliable models at resolutions at least as low as 4 Å can be achieved thanks to low-resolution refinement tools such as secondary-structure restraints, restraints to known homologous structures, automatic global and local NCS restraints, `jelly-body' restraints and the use of novel long-range restraints on atomic displacement parameters (ADPs) based on the Kullback-Leibler divergence. REFMAC5 additionally offers TLS parameterization and, when high-resolution data are available, fast refinement of anisotropic ADPs. Refinement in the presence of twinning is performed in a fully automated fashion. REFMAC5 is a flexible and highly optimized refinement package that is ideally suited for refinement across the entire resolution spectrum encountered in macromolecular crystallography.
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Cites
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A real-space refinement procedure for proteins
Diamond, R. (1971) · Acta Crystallographica Section A · doi:10.1107/s0567739471000986 · Cited by 236
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Zhang, L., Lin, D., Sun, X., Curth, U., Drosten, C., Sauerhering, L., Becker, S., Rox, K., & Hilgenfeld, R. (2020) · Science · doi:10.1126/science.abb3405 · Cited by 2,895
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Metadata
- Authors
- Murshudov, G. N., Skubák, P., Lebedev, A. A., Pannu, N. S., Steiner, R. A., Nicholls, R. A., Winn, M. D., Long, F., & Vagin, A. A.
- Venue
- Acta Crystallographica Section D Biological Crystallography
- Published
- 2011-03-18
- Volume
- 67
- Issue
- 4
- Pages
- 355-367
- ISSN
- 0907-4449 (ISSN-L)
- OpenAlex
- W2159211495
- Cited by
- 8,317
- References
- 4
- FWCI
- 235.33
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Murshudov, G. N., Skubák, P., Lebedev, A. A., Pannu, N. S., Steiner, R. A., Nicholls, R. A., Winn, M. D., Long, F., & Vagin, A. A. (2011). REFMAC 5 for the refinement of macromolecular crystal structures. Acta Crystallographica Section D Biological Crystallography. https://doi.org/10.1107/s0907444911001314
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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