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Table 1 Average nucleotide composition of full-length lentivirus DNA genomes

From: The biased nucleotide composition of the HIV genome: a constant factor in a highly variable virus

Primate lentivirus No. of genomes analysed A (%) ± std C (%) ± std G (%) ± std T (%) ± std
HIV-1, group M, subtype A 3 35.1 ± 0.2 18.1 ± 0.2 24.4 ± 0.3 22.4 ± 0.4
HIV-1, group M, subtype B 18 35.3 ± 0.2 18.1 ± 0.2 24.4 ± 0.2 22.3 ± 0.1
HIV-1, group M, subtype C 18 35.5 ± 0.2 18.0 ± 0.2 24.2 ± 0.1 22.3 ± 0.1
HIV-1, group M. subtype D 1 35.8 18.0 24.1 22.1
HIV-1, group O 4 35.0 ± 0.2 19.0 ± 0.1 23.8 ± 0.2 22.2 ± 0.2
HIV-1, group N 8 (gag-pol-env only) 36.0 ± 0.2 17.6 ± 0.2 24.0 ± 0.1 22.2 ± 0.2
HIV-1, group P 1 33.9 18.5 24.6 22.7
SIVchimpanzee 7 35.3 ± 0.5 18.3 ± 0.2 23.8 ± 0.3 22.5 ± 0.2
SIVgorilla 4 34.6 ± 0.0 18.5 ± 0.1 24.6 ± 0.1 22.3 ± 0.2
SIVmangabey 3 34.0 ± 0.2 18.9 ± 0.2 25.1 ± 0.3 22.1 ± 0.4
SIVgreen monkey 9 33.6 ± 0.6 19.3 ± 0.7 25.0 ± 0.5 22.0 ± 0.3
SIVmandrill 3 34,6 ± 1.3 18.1 ± 1.8 24.5 ± 0.6 22.9 ± 1.1
HIV-2 16 33.9 ± 0.3 20.4 ± 0.5 24.9 ± 0.3 20.7 ± 0.5
pSIV (lemur endogenous lentivirus) 1a 29.0 20.5 27.5 23.1
Non-primate lentivirus      
EAIV 25 35.7 ± 0.2 16.0 ± 0.3 22.0 ± 0.2 26.4 ± 0.4
CAEV/Ovine lentivirusb 7/4 38.0 ± 0.5 15.7 ± 0.6 25.2 ± 0.4 21.1 ± 0.4
CAEV subtype E 2 33.9 ± 0.3 28.1 ± 0.0 28.1 ± 0.2 19.5 ± 0.0
Maedi-visna virus 6 37.2 ± 0.2 26.0 ± 0.1 26.0 ± 0.1 21.4 ± 0.0
Jembrana disease virus 1 31.7 20.1 26.4 21.9
BIV 1 31.8 21.2 23.8 23.2
FIV cat/cougar 4/14 38.0 ± 0.3 14.9 ± 0.1 22.0 ± 0.3 25.2 ± 0.3
FIV Pallas’ cat/lionc 1/2 38.0 ± 0.1 13.7 ± 0.3 22.1 ± 0.3 26.2 ± 0.6
RELIK (hare endogenous lentivirus)d 1 (gag-pol-env only) 34.0 19.4 22.4 24.1
ELVmpf (ferret endogenous lentivirus) 1 33.6 20.0 23.6 22.8
  1. a Consensus sequence of pSIVgml (gray mouse lemur, one proviral copy) and pSIVfdl (fat-tail mouse lemur, several proviral copies).
  2. b Viruses labeled CAEV subtype E and Maedi-visna virus, respectively, different significantly in nucleotide composition from other CAEV types including viruses labeled ovine lentivirus.
  3. c FIV isolated from cats and cougars is phylogenetically distinct from FIV found in Pallas’ cat and lions.
  4. d Similar frequencies for rabbit endogenous retrovirus sequences.
  5. Std = standard deviation.