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. 2008 Nov;89(Pt 11):2691–2697. doi: 10.1099/vir.0.2008/004259-0

Table 2.

Typical amino acid signature of human influenza viruses observed in the Arabian strains

Protein Position (aa) Predicted aa Viruses with detected mutations Mutation References
Avian Human
PB2 627 E K All strains analysed in the present study E627K Subbarao et al. (1993); Chen et al. (2006)
NS1 227 E R or K (H1N1 1918) A/ostrich/Saudi Arabia/6732-3/2007A/chicken/Saudi Arabia/6732-4/2007A/turkey/Saudi Arabia/6732-6/2007A/duck/Saudi Arabia/6732-7/2007A/chicken/Saudi Arabia/6732-13/2007A/chicken/Saudi Arabia/6732-18/2007 E227K Chen et al. (2006); Finkelstein et al. (2007)
PB1 327 R K A/ostrich/Saudi Arabia/6732-3/2007A/chicken/Saudi Arabia/6732-4/2007A/turkey/Saudi Arabia/6732-6/2007A/duck/Saudi Arabia/6732-7/2007A/chicken/Saudi Arabia/6732-13/2007A/chicken/Saudi Arabia/6732-18/2007 R327K Chen et al. (2006)
NP 33 V I A/houbara bustard/Saudi Arabia/6732-1/2007A/falcon/Saudi Arabia/6732-2/2007A/ostrich/Saudi Arabia/6732-3/2007A/chicken/Saudi Arabia/6732-4/2007 V33I Chen et al. (2006)