Table 1.

Amino acid differences in PB2 polypeptides of avian influenza viruses Rostock S3, Dobson, and Dobson 4Ha

Amino acid no.Residue
Rostock S3DobsonDobson 4H
70KRR
116TKK
122VII
132PHP
134HRR
153NDD
156ASS
187RKK
271TAA
293KRR
339NKK
341KEE
398VII
402IMM
444TVV
461IVI
470SNN
482 K K R
512ILL
567VDD
569ATT
570TMM
611DND
647 M M I
680GNN
701 D D N
  • a Changes unique to Dobson 4H, which can form plaques in mouse L cells, are marked in bold.