Table 4. Interaction profile of salbutamol in wild and T164I variant of β2AR.

	Wild		T164I variant
	# of contacts	Interacting Residues	# of contacts	Interacting Residues
H bonds	5	2(Asp 113), Asn 312, Ser 203, Ser 207	2	Asp 113, Thr 118
pi-pi stacking	1	Phe 193	1	Phe193
Salt bridges	0		0
Electrostatic contacts	8	Asp 113,Val 114, Tyr 316, Asn 312, Ser 203, Ser 204, Ser 207, Asn 293	7	Asp 113,Val 114, Thr 118, Ser 203, Ser 207, Asn 312, Tyr 316
van der Waal contacts	11	Met 82, Trp 109, Thr 110, Val 117, Thr 118, Phe 193, Phe 208, Trp 286, Phe 289, Phe 290, Tyr 308	9	Met 82, Thr 110, Phe 193, Trp 109, Phe 289, Phe 290, Ser 204, Trp 286, Val 117