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Figure 1 | Genome Biology

Figure 1

From: The role of RNA folding free energy in the evolution of the polymerase genes of the influenza A virus

Figure 1

Folding free energy distributions for human and avian influenza A polymerase gene segments (in kcal/mol). The black arrows indicate the folding energies for the corresponding 1918 virus segment. Red, A/Puerto Rico/8/1934 (H1N1) (PR8/34); green, A/New Caledonia/20/1999 (H1N1) (NC/99); blue, A/Wisconsin/67/2005 (H3N2) (Wisc/05). The x-axis is the folding energy calculated by the program RNAfold [35], and the y-axis is the relative frequency of this folding energy in the viral population.

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Genome Biology

ISSN: 1474-760X

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