Structural features of residue 4 in chain F

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Electrostatic Interactions:
HIS A 253 ND1	HIS F 4 ND1	0.713	INTER-CHAIN
HIS A 253 ND1	HIS F 4 NE2	1.662	INTER-CHAIN
HIS A 253 NE2	HIS F 4 ND1	0.769	INTER-CHAIN
HIS A 253 NE2	HIS F 4 NE2	1.753	INTER-CHAIN
ASP D 57 OD1	HIS F 4 ND1	-2.968	INTER-CHAIN
ASP D 57 OD2	HIS F 4 ND1	-2.265	INTER-CHAIN
ASP D 61 OD1	HIS F 4 ND1	-2.926	INTER-CHAIN
ASP D 61 OD2	HIS F 4 ND1	-2.288	INTER-CHAIN
HIS D 181 NE2	HIS F 4 ND1	0.693	INTER-CHAIN
ASP E 221 OD1	HIS F 4 ND1	-3.725	INTER-CHAIN
ASP E 221 OD2	HIS F 4 ND1	-2.949	INTER-CHAIN
ASP E 223 OD1	HIS F 4 ND1	-1.604	INTER-CHAIN
ASP E 223 OD2	HIS F 4 ND1	-1.441	INTER-CHAIN
HIS F 4 ND1	ARG F 6 NH1	4.638	INTRA-CHAIN
HIS F 4 ND1	ASP D 57 OD1	-2.968	INTER-CHAIN
HIS F 4 ND1	ASP D 61 OD1	-2.926	INTER-CHAIN
HIS F 4 ND1	HIS F 69 NE2	1.508	INTRA-CHAIN
HIS F 4 ND1	HIS D 181 NE2	1.560	INTER-CHAIN
HIS F 4 ND1	ASP E 221 OD1	-3.725	INTER-CHAIN
HIS F 4 ND1	ASP E 223 OD1	-1.604	INTER-CHAIN
HIS F 4 ND1	HIS A 253 ND1	0.713	INTER-CHAIN
HIS F 4 ND1	HIS A 253 NE2	1.731	INTER-CHAIN
HIS F 4 NE2	ARG F 6 NH1	4.108	INTRA-CHAIN
HIS F 4 NE2	ASP D 57 OD1	-2.322	INTER-CHAIN
HIS F 4 NE2	ASP D 61 OD1	-2.243	INTER-CHAIN
HIS F 4 NE2	HIS F 69 ND1	0.727	INTRA-CHAIN
HIS F 4 NE2	HIS F 69 NE2	1.732	INTRA-CHAIN
HIS F 4 NE2	ASP E 221 OD1	-3.021	INTER-CHAIN
HIS F 4 NE2	ASP E 223 OD1	-1.419	INTER-CHAIN
HIS F 4 NE2	HIS A 253 ND1	0.739	INTER-CHAIN
HIS F 4 NE2	HIS A 253 NE2	1.753	INTER-CHAIN
ARG F 6 NH1	HIS F 4 NE2	4.108	INTRA-CHAIN
ARG F 6 NH2	HIS F 4 NE2	3.700	INTRA-CHAIN
HIS F 69 ND1	HIS F 4 NE2	1.637	INTRA-CHAIN
HIS F 69 NE2	HIS F 4 ND1	0.670	INTRA-CHAIN
HIS F 69 NE2	HIS F 4 NE2	1.732	INTRA-CHAIN

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Hydrogen bonds:

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|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
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|        S|      220|      E|         H|        4|      F|
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|        D|      221|      E|         H|        4|      F|
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Van der Waal's Interactions:
PHE D 2 CZ 6333	HIS F 4 NE2 553	-0.225	INTER-CHAIN
HIS F 4 NE2 553	LEU F 8 CD2 588	-0.008	INTRA-CHAIN
HIS F 4 NE2 553	LEU D 43 CD2 6668	-0.019	INTER-CHAIN
HIS F 4 NE2 553	TRP D 47 CH2 6701	-0.009	INTER-CHAIN
HIS F 4 NE2 553	LEU D 60 CD2 6799	-0.043	INTER-CHAIN
HIS F 4 NE2 553	GLU F 71 OE2 1087	-2.019	INTRA-CHAIN
HIS F 4 NE2 553	SER E 220 OG 161	-0.083	INTER-CHAIN