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Table 1 Differences in sequence of replication-competent 1999 and 2010 isolates.

From: Prolonged control of replication-competent dual- tropic human immunodeficiency virus-1 following cessation of highly active antiretroviral therapy

  Differences between Pt-169 1999 and 2010-1A/1B isolates
  Nucleotides Amino Acids
LTR 2  
Gag Δ18* Δ6*
Pol 2 2
Vif 0 0
Vpr 1 1
Vpu 0 0
Env 2, Δ21 (V4)* 1, Δ7 (V4)*
Nef 1 1
Total 47 18
  1. Isolate 2B from 2010 is identical to the 1999 isolate with the exception of a single nucleotide in the LTR. Isolates 1A and 1B are identical to each other.
  2. * The triangle denotes deletions in the 2010-1A/1B isolates.