TABLE 1.
Subtype reference strains used for gp41-based HMA
| Codea | HIV-1 strain | Country of origin | Cloned fragment |
|---|---|---|---|
| A1 | RW20b | Rwanda | gp160 |
| A2 | 3675c (CRF02_AG) | Nigeria | gp160 |
| B1 | BR20b | Brazil | gp160 |
| B2 | TH14b (B′) | Thailand | gp160 |
| B3 | SF164b | United States | 6.6 kb of the 3′ end |
| C1 | MW959d | Malawi | gp160 |
| C2 | ZM651d | Zambia | Full genome |
| D1 | ZR001d | DRCe | gp160 |
| D2 | UG021d | Uganda | gp160 |
| E1 | TH22b | Thailand | gp160 |
| E2 | TH06b | Thailand | gp160 |
| F1 | BR020d | Brazil | gp160 |
| F2 | BR029d | Brazil | gp160 |
| G1 | UG975d | Uganda | gp160 |
| G2 | RU131d | Russia | gp160 |
| H | CF056d | CARf | gp160 |
a
Letters represent the HIV-1 subtype; numbers indicate different reference strains.
b
AIDS Research and Reference Reagent Program, National Institutes of the Health, Bethesda, Md.
c
Henry M. Jackson Foundation, Rockville, Md. (Francine E. McCutchan).
d
University of Alabama, Birmingham (Feng Gao).
e
DRC, Democratic Republic of Congo (formerly Zaire).
f
CAR, Central African Republic.