From: A comprehensive analysis of the naturally occurring polymorphisms in HIV-1 Vpr: Potential impact on CTL epitopes
Subtype Designation
Number of Vpr Sequences
A
67
B
294
C
185
D
44
F1
6
F2
4
G
8
H
3
J
2
K
AE
45
AG
39
AB
Cpx
28
Others (includes DF, BC, CD, BG, 01B, A1C, A1D, A1G, etc)
198
O
N
Cpz
Unclassified