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Schematic diagram of chimeric HN proteins. (A) Schematic diagram of chimera HPIV3-NDV. The stalk region is derived from residues 1 to 166 of HPIV3 HN, and the globular head is derived from residues 124 to 571 of NDV HN. (B) Schematic diagram of chimera NiV-NDV. The stalk region is derived from residues 1 to 186 of NiV G and the globular head is derived from residues 124 to 571 of NDV HN.
