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Table 10 The frequency of variant amino acids in Helical Domain I of Vpr (Residues 17–33)

From: A comprehensive analysis of the naturally occurring polymorphisms in HIV-1 Vpr: Potential impact on CTL epitopes

Residue Residues in NL4-3 Vpr Variant residue(s) noted in viruses of subtype B
17 E A (3.3), D (0.4), G (0.4), Q (2.2), V (0.4)
18 W no change
19 T A (12.7), R (0.4)
20 L I (4.4)
21 E G (0.4)
22 L F (0.4), I (1.1), P (0.4)
23 L V (0.4), S (0.4)
24 E G (0.4), K (0.4), Q (0.7), R (0.4)
25 E A (0.4), D (2.9), K (0.4)
26 L no change
27 K N (0.4)
28 S G (0.4), H (0.7), N (43.5), R (4.7), T (2.5)
29 E D (0.4), V (0.4)
30 A P (0.4)
31 V A (0.4), D (0.4), I (0.4), L (0.4), T (0.4)
32 R K (3.6), Q (0.4), W (0.4)
33 H R (3.6)