Structural features of residue 73 in chain A

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Electrostatic Interactions:
ASP A 14 OD1	HIS A 73 ND1	-1.443	INTRA-CHAIN
ASP A 14 OD2	HIS A 73 ND1	-1.387	INTRA-CHAIN
HIS A 22 ND1	HIS A 73 ND1	0.713	INTRA-CHAIN
HIS A 22 ND1	HIS A 73 NE2	1.857	INTRA-CHAIN
HIS A 22 NE2	HIS A 73 ND1	0.741	INTRA-CHAIN
HIS A 22 NE2	HIS A 73 NE2	1.938	INTRA-CHAIN
HIS A 73 ND1	ASP A 14 OD1	-1.443	INTRA-CHAIN
HIS A 73 ND1	HIS A 22 ND1	0.713	INTRA-CHAIN
HIS A 73 ND1	HIS A 22 NE2	1.668	INTRA-CHAIN
HIS A 73 ND1	ARG B 39 NH1	2.275	INTER-CHAIN
HIS A 73 NE2	ASP A 14 OD1	-1.602	INTRA-CHAIN
HIS A 73 NE2	HIS A 22 ND1	0.825	INTRA-CHAIN
HIS A 73 NE2	HIS A 22 NE2	1.938	INTRA-CHAIN
HIS A 73 NE2	ARG B 39 NH1	2.257	INTER-CHAIN
ARG B 39 NH1	HIS A 73 NE2	2.257	INTER-CHAIN
ARG B 39 NH2	HIS A 73 NE2	2.234	INTER-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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|        G|       44|      B|         H|       73|      A|
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Protrusion Index:
HIS A 73 N	0.29
HIS A 73 CA	0.34
HIS A 73 C	0.48
HIS A 73 O	0.53
HIS A 73 CB	0.26
HIS A 73 CG	0.23
HIS A 73 ND1	0.32
HIS A 73 CD2	0.10
HIS A 73 CE1	0.27
HIS A 73 NE2	0.15

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Van der Waal's Interactions:
SER A 20 OG 166	HIS A 73 NE2 597	-0.034	INTRA-CHAIN
SER B 43 OG 1005	HIS A 73 NE2 597	-0.057	INTER-CHAIN
LEU B 59 CD2 1122	HIS A 73 NE2 597	-0.010	INTER-CHAIN