A Periodic Table of Coiled-Coil Protein Structures |
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Authors: | Efrosini Moutevelis |
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Institution: | 1 School of Chemistry, University of Bristol, Bristol BS8 1TS, UK 2 Department of Biochemistry, University of Bristol, Bristol BS8 1TD, UK |
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Abstract: | Coiled coils are protein structure domains with two or more α-helices packed together via interlacing of side chains known as knob-into-hole packing. We analysed and classified a large set of coiled-coil structures using a combination of automated and manual methods. This led to a systematic classification that we termed a “periodic table of coiled coils,” which we have made available at http://coiledcoils.chm.bris.ac.uk/ccplus/search/periodic_table. In this table, coiled-coil assemblies are arranged in columns with increasing numbers of α-helices and in rows of increased complexity. The table provides a framework for understanding possibilities in and limits on coiled-coil structures and a basis for future prediction, engineering and design studies. |
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Keywords: | KIH knob-into-hole |
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