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Media type:
E-Article
Title:
MrParse: finding homologues in the PDB and the EBI AlphaFold database for molecular replacement and more
Contributor:
Simpkin, Adam J.;
Thomas, Jens M. H.;
Keegan, Ronan M.;
Rigden, Daniel J.
Published:
International Union of Crystallography (IUCr), 2022
Published in:
Acta Crystallographica Section D Structural Biology, 78 (2022) 5, Seite 553-559
Language:
Not determined
DOI:
10.1107/s2059798322003576
ISSN:
2059-7983
Origination:
Footnote:
Description:
Crystallographers have an array of search-model options for structure solution by molecular replacement (MR). The well established options of homologous experimental structures and regular secondary-structure elements or motifs are increasingly supplemented by computational modelling. Such modelling may be carried out locally or may use pre-calculated predictions retrieved from databases such as the EBI AlphaFold database. MrParse is a new pipeline to help to streamline the decision process in MR by consolidating bioinformatic predictions in one place. When reflection data are provided, MrParse can rank any experimental homologues found using eLLG, which indicates the likelihood that a given search model will work in MR. Inbuilt displays of predicted secondary structure, coiled-coil and transmembrane regions further inform the choice of MR protocol. MrParse can also identify and rank homologues in the EBI AlphaFold database, a function that will also interest other structural biologists and bioinformaticians.