TABLE 3.
Polymorphic codons defining H7 alleles of flagellin (fliC) found in the O157:H7 clone complex
| Allele | Amino acid and codon in multiple-sequence alignment at codon positiona:
|
|||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 22 | 27 | 38 | 40 | 44 | 45 | 64 | 65 | 76 | 239 | 505 | 525 | 558 | 566 | 594 | 609 | |
| Gln | Ser | Ile | Ser | Asp | Ala | Ala | Ala | Gln | Asn | Gly | Ser | Ala | Thr | Ile | Pro | |
| H7.1 | CAG | AGT | ATT | AGC | GAC | GCC | GCG | GCG | CAG | AAT | GGT | TCT | GCA | ACT | ATT | CCG |
| Asp | ||||||||||||||||
| H7.2 | — | — | — | — | — | — | — | — | — | GAT | — | — | — | — | — | — |
| His | Leu | Arg | His | Ser | Arg | |||||||||||
| H7.3 | CAC | — | CTT | CGC | CAC | TCC | — | — | — | — | — | — | — | — | — | CGA |
| Ile | Ser | Ala | Ala | Gln | Gly | Phe | Ala | Asn | Ile | |||||||
| H7.4 | — | ATT | — | — | — | TCC | GCT | GCA | CAA | — | GGC | TTT | GCG | AAT | ATC | — |
a
A dash means that the codon is identical to that in the H7.1 sequence. Boldface type indicates that the amino acid differs from that in the H7.1 sequence. Altered nucleotides are underlined.