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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: J Neurovirol. 2016 Jul 11;23(1):113–124. doi: 10.1007/s13365-016-0462-3

Table 2.

Amino acid presence and prevalence at each niVpr position. Amino acids found at each niVpr position are shown in conjunction with their frequency of appearance and relative effect on GDS. A zero effect indicates that the amino acid was not significantly associated with a change in GDS.

Position 37 Position 41 Position 55
Amino acid P I V M T A L E H S G S N A A T E V
frequency 33 32 28 7 4 3 2 2 1 1 68 34 13 1 59 46 9 2
GDS effect 0 (−) 0 0 0 0 0 0 0 0 0 (−) (+) 0 (+) 0 0 0