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. 2021 Jul 8;86(7):800–817. doi: 10.1134/S0006297921070026

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© The Author(s) 2021

Open access.This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution, and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/.

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Fig. 3. — Modification of SARS‑CoV‑2 S protein (a) and HA/HEF from the influenza A, B, and C viruses (b) with long fatty acids. Covalently bound fatty acid residues are shown for one monomer of the homotrimer spike as black (palmitates, C16:0) and red (stearates, C18:0) zigzag lines. Two fatty acid residues that hypothetically bind stearates are marked with arrows. HAs and S protein are shown approximately to scale (S protein spike height, ~25 nm; [32]; HA spike height, ~13.5 nm [47]).