Table 4.
Sequence alignment of amino acid residues of the S1 glycoprotein of IBV strains with the H120 vaccine strain.
| Strains | 52–55 | 71–76 | 106–107 | 117–118 | 140 | 185 | 253 | 281 | 284–285 | 317 | Genotype |
|---|---|---|---|---|---|---|---|---|---|---|---|
| H120 | ISSE | HGG--------RVV | DT | --HV | -. | S. | Q | N | ----PS | E | V |
| DY07 | STNY | KDV……..YNQ | EI | SVAG | D | Q | ….SG | A | I | ||
| NN07 | STNY | KDV……..YNQ | EI | SVAG | . | . | D | Q | ….SG | A | I |
| DY05 | STNY | KDV……..YNQ | EI | SGAG | . | . | D | Q | ….SG | A | I |
| ZX07 | STNY | KDV……..YNQ | EI | SGAG | . | . | D | Q | ….SG | A | I |
| HB08 | STNY | KDV……..YNQ | EI | SGTG | . | . | D | Q | ….SG | A | I |
| SDZB0804 | STNY | KDV……..YNQ | EI | SGTG | . | . | D | Q | ….SG | A | I |
| CK/CH/LLN/06I | STNY | KDV……..YNQ | EI | SGAG | . | . | D | Q | …..IG | A | I |
| A2 | STNH | KDV……..YNQ | EI | SGTG | . | . | E | Q | …..SG | A | I |
| QXIBV | STNY | KDV……..YNQ | EI | SGSG | . | . | E | Q | ….SG | A | I |
| LX4 | S-NY | KDV……..YNQ | EI | SGSG | . | . | E | Q | ….SG | A | I |
| TC07-1 | STNY | KDV……..YNQ | EI | SGRG | . | . | E | Q | ….SG | A | I |
| GM05 | STNY | KDV……..YNQ | EI | IGTG | . | . | E | Q | ….SG | A | I |
| LZ05 | STNY | KDV……..YNQ | EI | SGIG | . | . | E | Q | L…VG | H | I |
| SS07 | STNY | KDV……..YNQ | EI | SGTG | . | . | E | Q | L…VG | H | I |
| SS06-2 | STNY | KDV……..YNQ | EI | SGTG | . | . | E | Q | L…VG | H | I |
| LZ07 | STNY | KDV……..YNQ | EI | SGTG | . | . | G | S | ….SG | P | II |
| CK/CH/LGD-04III | STNK | FNYSNGN.DVGYNN | .F | N--- | . | G | D | S | ….SG | P | II |
| NN04 | STNK | FNYTNGN.DVGYNN | .F | N--- | . | G | D | S | ….SG | P | II |
| Italy-02 | V.T. | SWS……..KNF | .F | SGTG | S | G | D | P | S----G | P | II |
| 4/91 | VFNG | YES……..YNI | .F | SQQG | F | G | D | S | S….G | P | II |
| 7/93 | VFNE | YES……..HNI | HV | SQPG | V | G | D | S | S….G | P | II |
| K069-01 | STNY | KDV……..YNQ | EI | RGSG | . | . | . | S | ….SG | . | III |
| HY06 | FTNK | FNYSNGN-DIGYNN | .F | N--- | . | G | K | A | ….TG | Q | III |
| CQ04-2 | FTNK | FNYSNGN-DIGYNN | .F | N--- | . | G | K | A | ….TG | Q | III |
| SS06-1 | FTNK | FNYSNGN-DIGYNN | .F | N--- | . | G | K | A | ….TG | Q | III |
| HY07 | FTNK | FNYSNGN-DIGYNN | .F | N--- | . | G | K | A | ….TG | Q | III |
| SC021202 | STNR | FNYTNGN-DVGYNN | .V | N--- | . | G | E | S | ….QG | Q | III |
| SAIBK | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | E | S | ….QG | . | III |
| GL08-1 | YTNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| GL08-2 | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| XX08 | STNR | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| CK/CH/LGX/06I | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| CK/CH/LGD/04II | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| DY04 | STNK | FNYNNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| FS08-1 | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| FS08-2 | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| HN06-2 | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| CQ04-1 | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| HN06-1 | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| HN08 | STNK | FNYTNGN-DVGYNN | .F | N--- | . | G | K | P | ….QG | Q | III |
| T07/02 | VTTR | Q……….Y.F | EV | STQG | . | . | . | S | ….PG | . | VI |
| 3468/07 | V..Q | S.D……..T.F | .F | SGSG | . | . | . | Q | ….SG | . | VI |
| M41 | …. | ………….. | .. | ..YD | . | . | . | . | …… | . | V |
| KQ6 | …. | ………….. | .. | ..YD | . | . | . | . | …… | . | V |
| Beaudette | …. | ………….. | .. | …G | . | . | . | . | …… | . | V |
| H52 | …. | ………….. | .. | …. | . | . | . | . | …… | . | V |
| ZJ971 | …. | D…………. | .. | …. | . | . | . | . | …… | . | V |
| Ma5 | …. | ………….. | .. | …G | . | . | . | . | …… | . | V |
| W93 | …. | ..S……….. | .. | ..QG | . | . | . | . | …… | . | V |
| JP9758 | V.Q. | .WS……..KNF | NI | SGNN | D | G | E | P | T…VG | . | IV |
| Gray | V.E. | FWS……..KNF | HF | VGAG | H | G | D | P | N…-G | A | IV |
| Ark99 | V… | GYS……..KNF | SY | SGSN | H | A | D | P | T…-G | . | IV |
| Holte | VFQ. | GWS……..KNF | .I | HDG- | D | A | D | D | T…-G | . | IV |
| TC07-2 | FFN. | VHS……..LN. | TI | NRQG | N | G | E | Q | QKEPSP | S | |
| DE/072/92 | …K | G……….VTI | SF | TG-H | Q | A | N | E | G…-- | . |
Dot (.) indicates amino acid identical to that of H120 strain.
Dash (-) indicates amino acid deletion in comparison with H120 strain.