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. 2014 Nov 26;14:290. doi: 10.1186/s12866-014-0290-7

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© Wang et al.; licensee BioMed Central Ltd. 2014

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Effects of Vif mutations in the region from amino acid 124-141 on the antiviral activity of A3G. (A) Effects of WT and mutant Vif proteins on A3G antiviral activity. HIV-1 viruses were produced by transfecting HEK293T cells with NL4-3ΔVif and A3G along with VR1012 as a control vector or WT or various Vif mutants as indicated. Virus infectivity was assessed using MAGI indicator cells, with the virus infectivity in the presence of WT Vif set to 100%. Error bars represent the standard deviation from triplicate wells. (B) Effects of WT and mutant Vif proteins on A3G degradation and virion packaging. A3G expression was assessed by Western blotting against A3G-HA, Vif-HA and tubulin as loading control. A3G packaging was evaluated by Western blotting against A3G-HA and CAp24 after virus was purified from the cell culture supernatant.