Table 1.

Details of simulated sequences

Data set	Root gene	Length	Alignment length	Average mutations per branch	Mean branch length in mutations per site (range)	Percent gap characters, %	Protein Q score
D1	Tem1	858	867	5.7	0.0058 (0.00115–0.00153)	0.97	91.71
D2	Tem1	858	858	10.0	0.01167 (0.00117–0.02331)	0	87.61
D3	Tem1	858	858	21.2	0.02466 (0.00233–0.04662)	0.35	77.71
D4	Tem1	858	861	39.7	0.04608 (0.00116–0.09059)	2.0	60.11
D5	Tem1	858	915	87.6	0.09570 (0.00437–0.17486)	8.2	39.82
D6	Tem1	858	900	170.3	0.18918 (0.01667–0.35333)	7.8	24.48
D7	XisC	1554	1593	215.9	0.13555 (0.00126–0.25047)	8.3	26.27