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dc.contributor.authorCampeotto, I-
dc.contributor.authorLebedev, A-
dc.contributor.authorSchreurs, AMM-
dc.contributor.authorKroon-Batenburg, LMJ-
dc.contributor.authorLowe, E-
dc.contributor.authorPhillips, SEV-
dc.contributor.authorMurshudov, GN-
dc.contributor.authorPearson, AR-
dc.identifier.citationScientific Reports, 2018, 8, Article number: 14876en
dc.descriptionThe datasets (raw difraction images) discussed in this manuscript have been deposited in the publicly available database zenodo at, 10.5281/zenodo.54568 and 10.5281/zenodo.1240503. Structural models and processed structure factor data deposited in the PDB are available under the accession codes given in Table 1, with the exception of dataset Y137A, as the R factor indices were not satisfactory for PDB deposition.en
dc.description.abstractTwinning is a crystal growth anomaly, which has posed a challenge in macromolecular crystallography (MX) since the earliest days. Many approaches have been used to treat twinned data in order to extract structural information. However, in most cases it is usually simpler to rescreen for new crystallization conditions that yield an untwinned crystal form or, if possible, collect data from non-twinned parts of the crystal. Here, we report 11 structures of engineered variants of the E. coli enzyme N-acetyl-neuraminic lyase which, despite twinning and incommensurate modulation, have been successfully indexed, solved and deposited. These structures span a resolution range of 1.45-2.30 Å, which is unusually high for datasets presenting such lattice disorders in MX and therefore these data provide an excellent test set for improving and challenging MX data processing programs.en
dc.description.sponsorshipARP was supported by a RCUK Academic Research Fellowship, and currently by the German Federal Excellence Cluster “Hamburg Centre for Ultrafast Imaging”. AL is supported by CCP4, GNM is supported by MRC grant (no MC_US_A025_0104) and IC was supported by the Wellcome Trust PhD programme, “The Molecular Basis of Biological Mechanisms”. We thank the MX beamline staff at Diamond Light Source for assistance with data collection and Diamond Light Source for access to beamlines i02, i03 and i04 (proposal number mx 302) for diffraction data collection.en
dc.publisherNature Research (part of Springer Nature)en
dc.rightsCopyright © the authors, 2018. This is an open-access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en
dc.subjectStructural biologyen
dc.subjectX-ray crystallographyen
dc.titlePathological macromolecular crystallographic data affected by twinning, partial-disorder and exhibiting multiple lattices for testing of data processing and refinement tools.en
dc.typeJournal Articleen
dc.description.versionPublisher Versionen
dc.type.subtypeJournal Article-
pubs.organisational-group/Organisation/COLLEGE OF LIFE SCIENCESen
pubs.organisational-group/Organisation/COLLEGE OF LIFE SCIENCES/Biological Sciencesen
pubs.organisational-group/Organisation/COLLEGE OF LIFE SCIENCES/Biological Sciences/Molecular & Cell Biologyen
Appears in Collections:Published Articles, Dept. of Cancer Studies and Molecular Medicine

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