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Merski M, Macedo-Ribeiro S, Wieczorek RM, Górna MW. The Repeating, Modular Architecture of the HtrA Proteases. Biomolecules 2022; 12:biom12060793. [PMID: 35740918 PMCID: PMC9221053 DOI: 10.3390/biom12060793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/02/2022] [Accepted: 06/04/2022] [Indexed: 02/04/2023] Open
Abstract
A conserved, 26-residue sequence [AA(X2)[A/G][G/L](X2)GDV[I/L](X2)[V/L]NGE(X1)V(X6)] and corresponding structure repeating module were identified within the HtrA protease family using a non-redundant set (N = 20) of publicly available structures. While the repeats themselves were far from sequence perfect, they had notable conservation to a statistically significant level. Three or more repetitions were identified within each protein despite being statistically expected to randomly occur only once per 1031 residues. This sequence repeat was associated with a six stranded antiparallel β-barrel module, two of which are present in the core of the structures of the PA clan of serine proteases, while a modified version of this module could be identified in the PDZ-like domains. Automated structural alignment methods had difficulties in superimposing these β-barrels, but the use of a target human HtrA2 structure showed that these modules had an average RMSD across the set of structures of less than 2 Å (mean and median). Our findings support Dayhoff’s hypothesis that complex proteins arose through duplication of simpler peptide motifs and domains.
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Affiliation(s)
- Matthew Merski
- Structural Biology Group, Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
- Correspondence: (M.M.); (M.W.G.); Tel.: +48-225-526-642 (M.M.)
| | - Sandra Macedo-Ribeiro
- Instituto de Investigação e Inovação em Saúde and Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, 4200-135 Porto, Portugal;
| | - Rafal M. Wieczorek
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland;
| | - Maria W. Górna
- Structural Biology Group, Biological and Chemical Research Centre, Faculty of Chemistry, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
- Correspondence: (M.M.); (M.W.G.); Tel.: +48-225-526-642 (M.M.)
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Paladin L, Bevilacqua M, Errigo S, Piovesan D, Mičetić I, Necci M, Monzon AM, Fabre ML, Lopez JL, Nilsson JF, Rios J, Menna PL, Cabrera M, Buitron MG, Kulik MG, Fernandez-Alberti S, Fornasari MS, Parisi G, Lagares A, Hirsh L, Andrade-Navarro MA, Kajava AV, Tosatto SCE. RepeatsDB in 2021: improved data and extended classification for protein tandem repeat structures. Nucleic Acids Res 2021; 49:D452-D457. [PMID: 33237313 PMCID: PMC7778985 DOI: 10.1093/nar/gkaa1097] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/17/2020] [Accepted: 11/19/2020] [Indexed: 11/21/2022] Open
Abstract
The RepeatsDB database (URL: https://repeatsdb.org/) provides annotations and classification for protein tandem repeat structures from the Protein Data Bank (PDB). Protein tandem repeats are ubiquitous in all branches of the tree of life. The accumulation of solved repeat structures provides new possibilities for classification and detection, but also increasing the need for annotation. Here we present RepeatsDB 3.0, which addresses these challenges and presents an extended classification scheme. The major conceptual change compared to the previous version is the hierarchical classification combining top levels based solely on structural similarity (Class > Topology > Fold) with two new levels (Clan > Family) requiring sequence similarity and describing repeat motifs in collaboration with Pfam. Data growth has been addressed with improved mechanisms for browsing the classification hierarchy. A new UniProt-centric view unifies the increasingly frequent annotation of structures from identical or similar sequences. This update of RepeatsDB aligns with our commitment to develop a resource that extracts, organizes and distributes specialized information on tandem repeat protein structures.
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Affiliation(s)
- Lisanna Paladin
- Dept. of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padua 35121, Italy
| | - Martina Bevilacqua
- Dept. of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padua 35121, Italy
| | - Sara Errigo
- Dept. of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padua 35121, Italy
| | - Damiano Piovesan
- Dept. of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padua 35121, Italy
| | - Ivan Mičetić
- Dept. of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padua 35121, Italy
| | - Marco Necci
- Dept. of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padua 35121, Italy
| | | | - Maria Laura Fabre
- IBBM-CONICET, Dept. of Biological Sciences, La Plata National University, 49 y 115, 1900 La Plata, Argentina
| | - Jose Luis Lopez
- IBBM-CONICET, Dept. of Biological Sciences, La Plata National University, 49 y 115, 1900 La Plata, Argentina
| | - Juliet F Nilsson
- IBBM-CONICET, Dept. of Biological Sciences, La Plata National University, 49 y 115, 1900 La Plata, Argentina
| | - Javier Rios
- Dept. of Science and Technology, National University of Quilmes, Roque Sáenz Peña 352, Bernal, Buenos Aires, Argentina
| | - Pablo Lorenzano Menna
- Dept. of Science and Technology, National University of Quilmes, Roque Sáenz Peña 352, Bernal, Buenos Aires, Argentina
| | - Maia Cabrera
- Dept. of Science and Technology, National University of Quilmes, Roque Sáenz Peña 352, Bernal, Buenos Aires, Argentina
| | - Martin Gonzalez Buitron
- Dept. of Science and Technology, National University of Quilmes, Roque Sáenz Peña 352, Bernal, Buenos Aires, Argentina
| | - Mariane Gonçalves Kulik
- Institute of Organismic and Molecular Evolution, Faculty of Biology, Johannes Gutenberg University of Mainz, Hans-Dieter-Hüsch-Weg 15, 55128 Mainz, Germany
| | - Sebastian Fernandez-Alberti
- Dept. of Science and Technology, National University of Quilmes, Roque Sáenz Peña 352, Bernal, Buenos Aires, Argentina
| | - Maria Silvina Fornasari
- Dept. of Science and Technology, National University of Quilmes, Roque Sáenz Peña 352, Bernal, Buenos Aires, Argentina
| | - Gustavo Parisi
- Dept. of Science and Technology, National University of Quilmes, Roque Sáenz Peña 352, Bernal, Buenos Aires, Argentina
| | - Antonio Lagares
- IBBM-CONICET, Dept. of Biological Sciences, La Plata National University, 49 y 115, 1900 La Plata, Argentina
| | - Layla Hirsh
- Dept. of Engineering, Faculty of Science and Engineering, Pontifical Catholic University of Peru, Av. Universitaria 1801 San Miguel, Lima 32, Lima, Peru
| | - Miguel A Andrade-Navarro
- Institute of Organismic and Molecular Evolution, Faculty of Biology, Johannes Gutenberg University of Mainz, Hans-Dieter-Hüsch-Weg 15, 55128 Mainz, Germany
| | - Andrey V Kajava
- Centre de Recherche en Biologie cellulaire de Montpellier, UMR 5237, CNRS, Univ. Montpellier, Montpellier, France
| | - Silvio C E Tosatto
- Dept. of Biomedical Sciences, University of Padua, Via Ugo Bassi 58/B, Padua 35121, Italy
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