Table 4

Synonymous sites in reference set of genes

Conservation level

All

4-fold

Transitional sites

Transversional sites

Adjusted S


Identical

14127 (20.8)

6384 (9.4)

6389 (9.4)

1354 (2.0)

15537

Semi-conserved

2889 (19.1)

1249 (8.3)

1319 (8.7)

321 (2.1)

3176

Non-conserved

1609 (21.5)

811 (10.9)

672 (9.0)

126 (1.7)

1759

Non-aligned

3240 (17.7)

1187 (6.5)

1819 (10.0)

234 (1.3)

3658


Total

21866 (20.1)

9631 (8.9)

10200 (9.4)

2036 (1.9)

24131


Transitional sites refer to 2-fold synonymous codons by virtue of transitional substitution; transversional sites to 2-fold synonymous codons by virtue of transversional substitution. Numbers in parentheses indicate proportion (%) of total positions.

Gardner et al. BMC Evolutionary Biology 2011 11:257   doi:10.1186/1471-2148-11-257

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