Table 2.
Comparison of RMSDs for individual domainsa
| Group | Subtype | PDB accession no. | RMSD (Å) |
Rotation (°) | |||
|---|---|---|---|---|---|---|---|
| HA2 domain | HA1 domain | HA1 R region | HA1 E region | ||||
| 1 | Hu-H1 | 1RD8 | 1.225 | 2.248 | 0.973 | 1.324 | −11.28 |
| 1 | Hu-H1 | 3AL4 | 1.578 | 2.034 | 0.939 | 0.940 | −8.73 |
| 1 | Hu-H2 | 2WRC | 1.511 | 2.004 | 0.817 | 0.966 | −10.82 |
| 1 | Hu-H5 | 2FK0 | 1.298 | 2.441 | 1.279 | 0.933 | −19.28 |
| 1 | Av-H5 | 1JSM | 1.501 | 2.045 | 1.013 | 1.133 | −20.29 |
| 1 | Sw-H9 | 1JSD | 1.673 | 1.680 | 0.955 | 1.867 | −13.75 |
| 2 | Hu-H3 | 2HMG | 2.004 | 2.594 | 1.212 | 5.577 | +4.14 |
| 2 | Tu-H7 | 1TI8 | 1.862 | 2.549 | 1.087 | 3.894 | +10.78 |
| 2 | Av-H14 | 3EYJ | 2.005 | 2.226 | 1.215 | 4.934 | +4.08 |
Individual domains were superimposed separately with the H16HA counterparts. Hu, human; Av, avian; Sw, swine; Tu, turkey. Accession or identification numbers for viruses whose genes/proteins were used in this work are as follows: A/South Carolina/1/18 (H1N1), PDB accession no. 1RD8; A/California/04/2009(H1N1), PDB accession no. 3AL4; A/Singapore/1/1957 (H2N2), PDB accession no. 2WRC; A/Viet Nam/1203/04 (H5N1), PDB accession no. 2FK0; A/Duck/Singapore/3/97 (H5N3), PDB accession no. 1JSM; A/Swine/Hong Kong/9/98 (H9N2), PDB accession no. 1JSD; A/Hong Kong/1/68 (H3N2), PDB accession no. 2HMG; A/Turkey/Italy/8000/02 (H7N3), PDB accession no. 1TI8; and A/mallard/Astrakhan/263/1982 (H14N5), PDB accession no. 3EYJ.