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. 2021 Feb 3;7:607323. doi: 10.3389/fmolb.2020.607323

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Copyright © 2021 Jernigan, Sankar, Jia, Faraggi and Kloczkowski.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Principal component contributions to the total motions of hemagglutinin. Percent of variance explained by each individual PC is shown in blue and the cumulative contribution of each PC to the total variance/motion in red. The first 5 PCs account for 90% of the total motions present in the set of 43 structures.