Computational Identification of Novel Amino-Acid Interactions in HIV Gag via 
Correlated Evolution

Kalinina, Olga V.; Oberwinkler, Heike; Glass, Bärbel; Krausslich, Hans-Georg; Russell, Robert B.; Briggs, John A. G.

doi:10.1371/journal.pone.0042468

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Computational Identification of Novel Amino-Acid Interactions in HIV Gag via Correlated Evolution

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Kalinina, Olga V.
Computational Biology and Applied Algorithmics, MPI for Informatics, Max Planck Society;

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Citation

Kalinina, O. V., Oberwinkler, H., Glass, B., Krausslich, H.-G., Russell, R. B., & Briggs, J. A. G. (2012). Computational Identification of Novel Amino-Acid Interactions in HIV Gag via Correlated Evolution. PLoS One, 7(8): e42468, pp. e42468,1-e42468,5. doi:10.1371/journal.pone.0042468.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-C8F4-0

Abstract

Pairs of amino acid positions that evolve in a correlated manner are proposed to play important roles in protein structure or function. Methods to detect them might fare better with families for which sequences of thousands of closely related homologs are available than families with only a few distant relatives. We applied co-evolution analysis to thousands of sequences of HIV Gag, finding that the most significantly co-evolving positions are proximal in the quaternary structures of the viral capsid. A reduction in infectivity caused by mutating one member of a significant pair could be rescued by a compensatory mutation of the other.