Table 2

The receptor recognition domains of HA proteins from H5N1, H1N1, H3N2 and H7N7 influenza viruses.

Strain

Frequency

Residues

Sequence

A/Hong Kong/213/03 (H5N1)

F(0.076)

42 – 75

CDLDGVKPLILRDCSVAGWLLGNPMCDEFINVPE

A/New Caledonia/20/99 (H1N1)

F(0.236)

262 – 295

SGIITSNAPMDECDAKCQTPQGAINSSLPFQNVH

A/New York/383/2004 (H3N2)

F(0.363)

57 – 90

QILDGENCTLIDALLGDPQCDGFQNKKWDLFVER

A/equine/Prague/56 (H7N7)

F(0.285)

28 – 61

GIEVVNATETVEQTNIPKICSKGKQTVDLGQCGL

A/Egypt/0636-NAMRU3/2007(H5N1)

F(0.236)

99 – 132

EELKHLLSRINHFEKIQIIPKNSWSDHEASGVSS

A/South Carolina/1/18 (H1N1))

F(0.258)

87 – 120

NSENGTCYPGDFIDYEELREQLSSVSSFEKFEIF

Veljkovic et al. BMC Structural Biology 2009 9:21   doi:10.1186/1472-6807-9-21