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Fig. 6 | Virology Journal

Fig. 6

From: Identifying novel amino acid substitutions of hemagglutinin involved in virulence enhancement in H7N9 virus strains

Fig. 6

Crystal structure(ID:5L14) of neuraminidase from A/Shanghai/2/2013 (H7N9) influenza virus (http://www.ebi.ac.uk/pdbe/entry/pdb/5l14/experiment). (a) 3D structures of NA9 color-marked mutation sites and receptors; (b) Anhui/1 NA mutation NA-N171S enlargement; (c) The NA-N171S mutation position (red atoms) on viral chain A (yellow backbone), within 5 A from oligomeric subunit chain B (blue backbone). (d) The NA- G335S mutation position (red atoms) on viral chain B (yellow backbone), within 5 A from oligomeric subunit chain E (blue backbone)

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