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. 2010 Jul 21;6(5):407–418. doi: 10.7150/ijbs.6.407

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© Ivyspring International Publisher. This is an open-access article distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by-nc-nd/3.0/). Reproduction is permitted for personal, noncommercial use, provided that the article is in whole, unmodified, and properly cited.

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Distribution of sequons in gp120. (A) The log₁₀ distribution probabilities of NXS and NXT have remained same over time in the N terminal region. (B) The log₁₀ distribution probability of NXT is increasing (t = 2.70) over time in the C terminal region. Comparable patterns are observed (C and D) when gp120 of HIV-1 subtype B is considered alone.