TABLE 2.
Differences in amino acids of three very virulent IBDV isolates
| Position | Amino acid
|
||
|---|---|---|---|
| HK46 | OKYM | UK661 | |
| Segment Aa | |||
| 485 | Thr | Ala | Ala |
| 624 | Asp | Asp | Val |
| 632 | Asp | Asp | Gly |
| 651 | Asn | Asn | Ser |
| 654 | Thr | Asn | Asn |
| 849 | Glu | Glu | Gly |
| 919 | Glu | Glu | Gly |
| 951 | Val | Ile | Val |
| Segment Bb | |||
| 12 | Ser | Gln | Ser |
| 24 | Val | Ala | Ala |
| 69 | Glu | Asp | Glu |
| 91 | Ala | Ala | Pro |
| 125 | Pro | Ser | Pro |
| 330 | Trp | Trp | Cys |
| 331 | Leu | Leu | Cys |
| 337 | Ile | Ile | Lys |
| 341 | Pro | Pro | Gln |
| 343 | Pro | Pro | Ser |
| 380 | Gly | Val | Gly |
| 426 | Arg | Pro | Arg |
| 497 | Gly | Ser | Ser |
| 675 | Ala | Ser | Ala |
| 677 | Glu | Val | Glu |
| 697 | Val | Ala | Val |
| 751 | Lys | Lys | Met |
| 825 | Asn | Asn | His |
| 831 | His | Arg | His |
a
There are 3, 7, and 6 amino acid residue differences between isolates HK46 and OKYM, HK46 and UK661, and OKYM and UK661, respectively, in segment A.
b
There are 11, 10, and 17 amino acid residue differences between isolates HK46 and OKYM, HK46 and UK661, and OKYM and UK661, respectively, in segment B.