ResiCon: a method for the identification of dynamic domains, hinges and interfacial regions in proteins

Bioinformatics
Maciej DziubińskiBogdan Lesyng

Abstract

Structure of most proteins is flexible. Identification and analysis of intramolecular motions is a complex problem. Breaking a structure into relatively rigid parts, the so-called dynamic domains, may help comprehend the complexity of protein's mobility. We propose a new approach called ResiCon (Residue Contacts analysis), which performs this task by applying a data-mining analysis of an ensemble of protein configurations and recognizes dynamic domains, hinges and interfacial regions, by considering contacts between residues. Dynamic domains found by ResiCon are more compact than those identified by two other popular methods: PiSQRD and GeoStaS. The current analysis was carried out using a known reference set of 30 NMR protein structures, as well as molecular dynamics simulation data of flap opening events in HIV-1 protease. The more detailed analysis of HIV-1 protease dataset shows that ResiCon identified dynamic domains involved in structural changes of functional importance. The ResiCon server is available at URL: http://dworkowa.imdik.pan.pl/EP/ResiCon. pawel@bioexploratorium.pl Supplementary data are available at Bioinformatics online.

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Citations

Nov 4, 2015·BMC Research Notes·Paweł DanilukBogdan Lesyng
Feb 16, 2017·The Journal of Physical Chemistry. B·Suvrajit MajiJoachim Frank
Jan 11, 2017·Journal of Chemical Theory and Computation·Paolo CalligariAntonino Polimeno

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