Table 1. Multiple sequence alignment programs used in this study.
| Program | version | Availability |
| ClustalW[67] | 2.0.12 | www.clustal.org |
| Dialign-tx [68] | 1.0.2 | dialign-tx.gobics.de |
| Kalign [69] | 2.03 | msa.cgb.ki.se |
| Mafft (fftns2) [70] | 6.815 | align.bmr.kyushu-u.ac.jp/mafft/software |
| Mafft (linsi) [70] | 6.815 | align.bmr.kyushu-u.ac.jp/mafft/software |
| Muscle (iters = 2) [71] | 3.8.31 | www.drive5.com/muscle |
| Muscle (default) [71] | 3.8.31 | www.drive5.com/muscle |
| T-Coffee (parallel)[72] | 8.99 | www.tcoffee.org |
| Probcons [73] | 1.12 | probcons.stanford.edu |