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. 2013 Jan 17;9(1):e1002861. doi: 10.1371/journal.pcbi.1002861

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© 2013 Debès et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Inline graphic — a) for 3.8-1.5 Gya, and b) 1.5-0 Gya. Each barplot considers one of the four fold classes according to their secondary structure: all-, all-, /, and +, as indicated. The barplots were obtained from domain length distributions analogous to those shown in Figure S3.

a) for 3.8-1.5 Gya, and b) 1.5-0 Gya. Each barplot considers one of the four fold classes according to their secondary structure: all-, all-, /, and +, as indicated. The barplots were obtained from domain length distributions analogous to those shown in Figure S3.