Table 2.

DCA of PhoU R148 vs.PhoR PAS domain.

PhoR	PhoU	Mutual information	Direct Information	Distance (Å)
R148	R148	0.4980	0.0045	11.4
Y149	R148	0.4927	0.0006	7.2
G118	R148	0.4121	0.0011	16.3
N145	R148	0.4082	0.0011	12.9
N166	R148	0.3901	0.0007	3.1
P164	R148	0.3861	0.0004	2.0
Q154	R148	0.3831	0.0006	12.1
N139	R148	0.3795	0.0004	21.9
P150	R148	0.3781	0.0017	12.0
R163	R148	0.3767	0.0003	3.0