Structure-Based Characterization of Multiprotein Complexes
Markus Wiederstein, Markus Gruber, Karl Frank, Francisco Melo, Manfred J. Sippl
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Abstract:
Multiprotein complexes govern virtually all cellular processes. Their 3D structures provide important clues to their biological roles, especially through structural correlations among protein molecules and complexes. The detection of such correlations generally requires comprehensive searches in databases of known protein structures by means of appropriate structure matching techniques. Here, we present a high-speed structure search engine capable of instantly matching large protein oligomers against the complete and up-to-date database of biologically functional assemblies of protein molecules. We employ this tool to reveal hitherto unseen structural correlations on the level of protein quaternary structure and demonstrate its general usefulness for efficiently exploring complex structural relationships among known protein assemblies.

The open access article can be found  here

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