Table 2. Distribution of annotated Gal4 residues.

	Residue types
Graph quads	Cysteine cluster	Linker region	Interface core	Conserved core	Total
Q1	0	0	0	0	0
Q2	0	8	0	0	8
Q3	0	0	0	0	0
Q4	6	1	15	5	27
Total	6	9	15	5	35