TABLE 2.

Nucleotide and amino acid sequence variation rates between MelARV, Emv-2, and Emv-11

Comparison groups	% Differences (no. of variations/total no. of residues)a
	Nucleotides					Deduced amino acids
	UTRc	gag	pol	env	Overall	Gag	Pol	Env	Overall
MelARV vs Emv-2	0.36 (4/1100)	3.22 (52/1614)	1.59 (57/3591)	0.40 (8/2010)	1.46 (121/8274)	2.05 (11/537)	1.09 (13/1196)	1.05 (7/669)	1.29 (31/2402)
MelARV vs Emv-11	9.73b (107/1100)	3.16 (51/1614)	1.78 (64/3591)	0.55 (11/2010)	2.33 (193/8274)	2.05 (11/537)	1.25 (15/1196)	1.20 (8/669)	1.42 (34/2402)
Emv-2 vs Emv-11	9.73 (107/1100)	0.42 (7/1614)	0.36 (6/3591)	0.30 (6/2010)	1.61 (133/8274)	0.37 (2/537)	0.50 (6/1196)	0.45 (3/669)	0.46 (11/2402)

^aAll residue changes, deletions, and insertions are taken into consideration in calculation of the variation rates. 

^bVariation rate includes deletions. If excluding the deletions, the rate would be 0.72% (8/1100). 

^cUTR, untranslated region.