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Exploring Protein Cavities through Rigidity Analysis

Department of Computer Science, Western Washington University, 516 High Street, Bellingham, WA 98225, USA
Department of Computer Science and Engineering, Lehigh University, 19 Memorial Drive West, Bethlehem, PA 18015, USA
Author to whom correspondence should be addressed.
Molecules 2018, 23(2), 351;
Received: 23 December 2017 / Revised: 25 January 2018 / Accepted: 31 January 2018 / Published: 7 February 2018
The geometry of cavities in the surfaces of proteins facilitates a variety of biochemical functions. To better understand the biochemical nature of protein cavities, the shape, size, chemical properties, and evolutionary nature of functional and nonfunctional surface cavities have been exhaustively surveyed in protein structures. The rigidity of surface cavities, however, is not immediately available as a characteristic of structure data, and is thus more difficult to examine. Using rigidity analysis for assessing and analyzing molecular rigidity, this paper performs the first survey of the relationships between cavity properties, such as size and residue content, and how they correspond to cavity rigidity. Our survey measured a variety of rigidity metrics on 120,323 cavities from 12,785 sequentially non-redundant protein chains. We used VASP-E, a volume-based algorithm for analyzing cavity geometry. Our results suggest that rigidity properties of protein cavities are dependent on cavity surface area. View Full-Text
Keywords: protein; cavity; rigidity analysis protein; cavity; rigidity analysis
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MDPI and ACS Style

Mason, S.; Chen, B.Y.; Jagodzinski, F. Exploring Protein Cavities through Rigidity Analysis. Molecules 2018, 23, 351.

AMA Style

Mason S, Chen BY, Jagodzinski F. Exploring Protein Cavities through Rigidity Analysis. Molecules. 2018; 23(2):351.

Chicago/Turabian Style

Mason, Stephanie, Brian Y. Chen, and Filip Jagodzinski. 2018. "Exploring Protein Cavities through Rigidity Analysis" Molecules 23, no. 2: 351.

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