Delineation of plant caleosin residues critical for functional divergence, positive selection and coevolution

Table 3 Functional divergence between groups of the caleosin subfamily

Group1	Group2	Type-I				Type-II
		θ_I ± sec	LRT	Q_k > 0.8	Q_k > 0.9	θ_II ± sec	Q_k > 0.8
I	II	0.418 ± 0.188	4.96*	2	0	-0.078 ± 0.449	0
I	III	0.532 ± 0.477	1.25	0	0	-0.278 ± 0.436	0
I	IV	0.914 ± 0.156	34.4**	36	24	0.054 ± 0.448	7
I	V	0.418 ± 0.219	3.64	1	1	-0.343 ± 0.459	0
II	III	0.386 ± 0.332	1.36	0	0	0.112 ± 0.241	8
II	IV	0.993 ± 0.173	32.8**	38	38	0.088 ± 0.342	8
II	V	0.967 ± 0.316	9.39**	38	38	0.027 ± 0.283	6
III	IV	0.001 ± 0.022	0.00	0	0	-0.192 ± 0.324	0
III	V	0.253 ± 0.287	0.78	0	0	-0.212 ± 0.245	0
IV	V	0.242 ± 0.205	1.40	0	0	-0.163 ± 0.339	0

Note: θ_I and θ_II, the coefficients of Type-I and Type-II functional divergence between two gene clusters; LRT, Likelihood Ratio Statistic, for p < 0.05 was marked by *p < 0.01 was marked by **Q_k, posterior probability. Large Q_k value indicates a high possibility that the functional constraint (or the evolutionary rate) or the physicochemical properties of a given amino acid site is different between two clusters.

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