Table 1. Summary statistics for desaturases from Ctenopseustis and Planotortrix species.

	sa	Nb	Sc	kd	ωM0e	ωM3f
desat1	5	352	0.332	1.87	0.035	0.035
desat2	4	331	0.313	2.37	0.056	0.056
desat3	3	332	0.566	1.42	0.111	0.124
desat4	3	349	0.296	4.54	0.233	0.233
desat5	6	358	0.839	2.33	0.391	0.472
desat6	6	353	0.421	3.08	0.526	0.135

^anumber of sequences.

^bnumber of codons.

^ctree length.

^dtransition/transversion ratio.

^eω under M0.

^fω under M3.