Table 1
Classification of human endogenous retroviruses (HERVs)
| HERV family | Representative accession number |
|---|---|
| Class I HERVs (type C related HERVs) | |
| Group 1, HERV-HF | |
| HERV-H (RTVL-H, RGH) | AF108842 |
| HERV-F | AF070684 |
| Group 2, HERV-RW | |
| HERV-W | AF072506 |
| HERV-R (ERV9) | X57147 |
| HERV-P (HuERS-P, HuRRS-P) | X06279 |
| Group 3, HERV-ERI | |
| HERV-E (4-1, ERVA, NP-2*) | S46403 |
| 51-1 | J00273 |
| HERV-R (ERV3) | M12140 |
| RRHERV-I | M64936 |
| Group 4, HERV-T | |
| HERV T (S71, CRTK1, CRTK6) | M32788 |
| Group 5, HERV-IP | |
| HERV-I (RTVL-I) | X14953 |
| HERV-IP-T47D (ERV-FTD) | U27241 |
| Group 6, ERV-FRD | |
| ERV-FRD | U27240 |
| Class II HERVs (type A, B, and D related HERVs) | |
| Group 1, HERV-K (HML-1) | |
| HERV-K (HML-1.1) | U35102 |
| Group 2, HERV-K (HML-2) | |
| HERV-K10 | M14123 |
| HERV-K-HTDV | X8227 |
| Group 3, HERV-K (HML-3) | |
| HERV K (HML3.1) | U35153 |
| Group 4, HERV-K (HML-4) | |
| HERV-K-T47D | AF020092 |
| Group 5, HERV-K (HML-5) | |
| HERV -K-NMWV2 | AF015995 |
| Group 6, HERV-K (HML-6) | |
| HERV K (HML-6p) | U86698 |
| Group 7, HERV-K (HML-7) | |
| HERV-K-NMWV7 | AF016000 |
| Group 8, HERV-K (HML-8) | |
| HERV-K-NMWV3 | AF015996 |
| Group 9, HERV-K (HML-9) | |
| HERV-K-NMWV9 | AF016001 |
| Group 10, HERV-K (HML-10) | |
| HERV-KC4 | U07856 |
| Class III Foamy virus related HERVs | |
| HERV-L | X89211 |
