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Table 4 dN/dS values in HIV-1 RT sequences within mother sets and within infant sets.

From: Conservation of functional domains and limited heterogeneity of HIV-1 reverse transcriptase gene following vertical transmission

MOTHER INFANT
  N P1 P2 P3 dN/dS   N P1 P2 P3 dN/dS
Mother B 12 53 18.8 27 8.9 Infant B 12 41 42 16 3.31
Mother C 12 55.5 43 1.3 6.09 Infant C 13 0 81.2 18.8 0.01
Mother D 11 70.6 5.7 23.6 2.52 Infant D 10 74.8 19.2 5.9 4.44
Mother F 14 81.7 7.8 10.4 2.67 Infant F 12 0 100 0 0.001
Mother H 14 72 0 27 2.34 Infant H1 11 47 50 2.8 14.04
       Infant H2 11 56 42 0.6 16.58
Totals   66.5 15.1 18.4 4.50   69 36.5 55.7 7.8 6.39
  1. N – number of RT clones sequenced.; P1 = proportion of conserved codons as a percent; P2 = proportion of neutral codons as a percent; P3 = proportion of positively selected codons as a percent. dN/dS = ratio of synonymous to non-synonymous at P3 sites. Totals were calculates as an average of all values.