Table 2.

Shared and distinct contacts between p40 and the four helix bundles p19 and p35

p40 residue	p19 residue	vdW*	H-bonds**	p35 residue	vdW*	H-bonds**
Tyr 114	Arg 159	1	1	Arg 189	4	1
Ser 175		0	0	Ser 73	3	0
Ala 176		0	0	Ser 73	2	0
Cys 177	Cys 54	4	0	Ser 73	6	0
				Cys 74
Pro 178		0	0	Cys 74	1	0
Ala 179	Asp 59	2	0	Val 60	3	0
	Val 156			Leu 68
Ala 180	Ile 52	2	0		0	0
Glu 181	His 51	18	3	Ile 182	11	3
	Ile 52			Arg 183
	Phe 153			Thr 186
Ser 183	His 51	1	0		0	0
Arg 208	Ala 152	4	0	Ile 182	3	0
Thr 242		0	0	Leu 68	1	0
Pro 243	His 163	1	0	Glu 67	4	0
Ser 245	Ala 162	6	1	Ser 192	11	1
	His 163			Tyr 193
	Thr 167			Ala 196
Tyr 246	Cys 58	15	1	Pro 65	9	1
	Pro 60			Arg 189
	Arg 159
	His 163
Phe 247		0	0	Arg 189	2	0
Ser 248		0	0	Ser 192	1	0
Gln 289		0	0	Arg 34	2	0
Asp 290	Arg 159	1	2	Arg 34	2	1
Arg 291		0	0	Arg 34	2	0
Tyr 292	Gln 19	17	0	Arg 34	16	2
	Cys 22			Arg 181
	Ala 155			Asp 188
	Ala 158			Arg 189
	Arg 159
	Ala 162
Tyr 293	Trp 26	6	0	Arg 34	15	1
	Ala 152			Arg 181
				Ile 182
				Val 185
Ser 294	Trp 26	8	0	Arg 34	1	1
Ser 295		0	0	Arg 34	1	0

^*van der Waals cutoff distance of 3.9Å

^**hydrogen bond cutoff distance of 3.5Å