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. 2004 Jun;21(6):1074–1080. doi: 10.1093/molbev/msh109

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Molecular Biology and Evolution vol. 21 no. 6 © Society for Molecular Biology and Evolution 2004; all rights reserved.

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Fig. 2. — Comparison of synonymous substitution rates among RNA viruses. Virus species belonging to the same family were represented by the same color. The end “viridae” of all family names was omitted. For example, Astro indicates Astroviridae. As exceptions, both hepatitis D virus and hepatitis E virus are represented by the same color (gray), since they are not classified into any virus family. The ordinate represents log synonymous substitution rate. Each virus species is ranked by each virus family along the axis of abscissas