Table 3.

Co-evolving sites in chi18-13 and chi18-15.

Protein	Amino acid positiona	Amino acid positiona	Posterior probabilityb
Chi18-13	S51	T159	0.84
	T97	A9	0.79
	T97	N281	0.71
	V121	Q125	0.63
	S129	G130	0.86
	S132	I312	0.64
	S132	T241	0.72
	G230	N369	0.90
	Y270	S332	0.89
	N281	K347	0.83
	S332	L18	0.60
	D335	L18	0.56
	V121	K104	0.58
Chi18-15	S86	A178	0.59
	V90	A254	0.65
	Q229	Q225	0.59
	S249	A178	0.56

^aSite position in reference to H. atroviridis.

^bFor site 1 and site 2 to be conditionally dependent, determined by Spidermonkey/BGM.