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Cross-clade variation in HIV-1 CD4+ Th- cell epitope Env (484-496) variant peptides
| Clade | Sequencea |
|---|---|
| HXBc2 | YKYKVVKIEPLGV |
| A | ------------- |
| B | ------------- |
| C | ------E-K---- |
| D | ------R------ |
| E | ------Q-----I |
| F | ------E------ |
| G | --------K---- |
| H | No consensus |
| O | F-----RVK-FS- |
| U | ------------- |
HIV-1 Env consensus sequences were obtained from the Human Retrovirus and AIDS database (21). Dashes indicate amino acid identity.
