. Author manuscript; available in PMC: 2008 Jul 1.

Published in final edited form as: Gene. 2007 Apr 14;396(1):196–202. doi: 10.1016/j.gene.2007.03.019

Table 1.

Amino acid replacements at the 25 critical sites that may cause λ_max-shifts in the SWS2 pigments, which are inferred by three different amino acid replacement models^a

	Models
Branch	JTT	Dayhoff	WAG
a – b	-	-	-
b – medaka S2-A (P439)	M_0.58116A	M_0.53116A	M_0.77116A
b – tilapia S2-A (P456)	V_0.9049I	V_0.8849I	V_0.9049I
b – bfin killifish S2-A (P448)	M_1.044T^b	M_1.044T^b	M_1.044T^b
	F_1.046L	F_1.046L	F_1.046L
	M_0.70116I	M_0.63116I	M_0.85116I
	S_0.99292A	S_0.99292A	S_0.99292A
a - c	A_1.094C_0.99	A_0.9994C_1.0	A_0.9994C_1.0
	S_0.9997C_0.99	S_1.097C_1.0	S_1.097C_1.0
	M_0.57116T_1.0	M_0.52116T_1.0	M_0.76116T_1.0
c – medaka S2-B (P405)	F_1.046V	F_1.046V	F_1.046V
	A_0.53109G	A_0.54109G	A_0.53109G
	T_0.90118A	T_0.89118A	T_0.94118A
	W_0.76265Y	W_0.81265Y	W_0.78265Y
c – tilapia S2-B (P425)	-	-	-
c – bfin killifish S2-B (P397)	A_0.53109G	A_0.55109G	A_0.53109G
	T_0.90118G	T_0.89118G	T_0.94118G
	W_0.76265Y	W_0.81265Y	W_0.78265Y

Subscripts indicate the posterior probabilities; for nodes a, b, and c, see Fig. 1.

The effect of amino acid replacement on the λ_max-shift has been identified by mutagenesis analyses.