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. 2016 Apr 20;12(4):e1005583. doi: 10.1371/journal.ppat.1005583

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© 2016 Arai 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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Fig 7 — Structural model of the EG/D1 heterotrimeric polymerase complex bound to the vRNA promoter. (A) Surface view of the EG/D1 structure color-coded (as described below) according to the domain structure in which the mutations identified in this study were located. Left and right structures differ by 180° in orientation. (B) Surface view of the EG/D1 structure color-coded showing PB2 (light green), PB1 (pink), PA (light blue) and the mutations in this study (red). Left and right structures differ by 180° in orientation. (C) Transparent EG/D1 surface diagram showing the mutations identified in this study (red) located mainly on the PB1 β-ribbon (magenta) and β-hairpin structures (violet) sandwiching the vRNA promoter. Upper and lower structures differ by 90° in orientation.