Extensive purifying selection acting on synonymous sites in HIV-1 Group M sequences

Table 1 Summary of HIV-1 reference sequence data used

Gene	Non-overlapping region used	Position on genome	Number of sequences
env	88 – 2154	6313 – 8379	37
gag	1 – 1295	790 – 2084	37
nef	1 – 621	8797 – 9417	32
pol	211 – 2955	2296 – 5040	37
tat	22 – 138	5851 – 5967	37
vif	58 – 519	5098 – 5559	37
vpr	61 – 273	5620 – 5832	37
vpu	1 – 162	6061 – 6222	37
Rev	total overlap
genome	Includes overlapping sites	790 – 9417	36

ISSN: 1743-422X