Table 1. Residue changes between human, Bmand WbGST is shown. These residues are involved in the formation of H-site. The sequence residue positions are with respect to the human GST sequence.

Residue Positions	Human	Wb	Bm
008	Y	Y	Y
010	V	I	I
013	R	L	L
035	V	A	A
101	C	T	T
104	I	A	T
108	Y	Y	Y
205	G	G	G