Table 2.

Retroviral PBS sequences

Virus names	Common PBS sequence	PBS type
TvERV, HERV, M-PMV, SFV	5′-tggcgcccaagctggggc-3′	C-tRNA† Lys
HIV-1, MMTV, SIV, SRV-1	5′-tggcgcccgaacagggac-3′	C-tRNA Lys-3
S-HIV mutant	5′-tggcgccctgaacagggac-3′	C-tRNA Lys-5
FMLV, RMLV, MCRV, STLV-3, STLV-1, HTLV-1, Abelson MLV, Mo-MLV, MOSV, KoRV	5′-tgggggctcgtccgggat-3′	C-tRNA Pro
Mu-ERVL	5′-tggaggtcccacgagat-3′	C-tRNA Thr
MLV	5′-tggaggcccagcgagat-3′	C-tRNA Gln
ALV, SRV, ACV, EAV-HP	5′-tggtgaccccgacgtgat-3′	C-tRNA Trp
AKV	5′-tggcgctgcgagcaggac-3′	C-tRNA Ser
AKV	5′-tgccaccccagacgggac-3′	C-tRNA Arg
AKV	5′-tggtgcctaaacccggga-3′	C-tRNA Phe
MusD1, MusD2††	5′-tggcgccagaactgggac-3′	C-tRNA Lys-5v

^† C-tRNA, complementary to tRNA

^†† MusD1 and MusD2 are not true viruses but are endogenous proviruses found in the mouse genome [17]