Structural features of residue 18 in chain A

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Electrostatic Interactions:
HIS A 18 ND1	ARG A 19 NH1	4.868	INTRA-CHAIN
HIS A 18 ND1	ARG A 24 NH1	2.368	INTRA-CHAIN
HIS A 18 ND1	HIS A 28 ND1	0.684	INTRA-CHAIN
HIS A 18 ND1	ASP A 33 OD1	-6.627	INTRA-CHAIN
HIS A 18 ND1	HIS B 58 NE2	1.514	INTER-CHAIN
HIS A 18 ND1	ASP A 113 OD1	-1.374	INTRA-CHAIN
HIS A 18 ND1	ARG A 124 NH1	2.133	INTRA-CHAIN
HIS A 18 NE2	ARG A 19 NH1	3.679	INTRA-CHAIN
HIS A 18 NE2	ARG A 24 NH1	2.257	INTRA-CHAIN
HIS A 18 NE2	HIS A 28 ND1	0.687	INTRA-CHAIN
HIS A 18 NE2	ASP A 33 OD1	-4.871	INTRA-CHAIN
HIS A 18 NE2	ASP A 113 OD1	-1.551	INTRA-CHAIN
HIS A 18 NE2	ARG A 124 NH1	2.393	INTRA-CHAIN
ARG A 19 NH1	HIS A 18 NE2	3.679	INTRA-CHAIN
ARG A 19 NH2	HIS A 18 NE2	3.012	INTRA-CHAIN
ARG A 24 NH1	HIS A 18 NE2	2.257	INTRA-CHAIN
ARG A 24 NH2	HIS A 18 NE2	2.233	INTRA-CHAIN
HIS A 28 ND1	HIS A 18 ND1	0.684	INTRA-CHAIN
HIS A 28 ND1	HIS A 18 NE2	1.545	INTRA-CHAIN
ASP A 33 OD1	HIS A 18 ND1	-6.627	INTRA-CHAIN
ASP A 33 OD2	HIS A 18 ND1	-6.668	INTRA-CHAIN
ASP A 113 OD1	HIS A 18 ND1	-1.374	INTRA-CHAIN
ASP A 113 OD2	HIS A 18 ND1	-1.371	INTRA-CHAIN
ARG A 117 NH2	HIS A 18 NE2	2.271	INTRA-CHAIN
ARG A 124 NH1	HIS A 18 NE2	2.393	INTRA-CHAIN
ARG A 124 NH2	HIS A 18 NE2	2.650	INTRA-CHAIN
HIS B 58 NE2	HIS A 18 ND1	0.673	INTER-CHAIN

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Protrusion Index:
HIS A 18 N	0.31
HIS A 18 CA	0.27
HIS A 18 C	0.40
HIS A 18 O	0.26
HIS A 18 CB	0.21
HIS A 18 CG	0.18
HIS A 18 ND1	0.12
HIS A 18 CD2	0.08
HIS A 18 CE1	0.06
HIS A 18 NE2	0.10

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Salt bridges:
HIS A 18	ARG A 19	2.743	INTRA-CHAIN

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Van der Waal's Interactions:
HIS A 18 NE2 186	ILE A 22 CD1 223	-0.146	INTRA-CHAIN
HIS A 18 NE2 186	ASP A 33 OD2 308	-0.069	INTRA-CHAIN
HIS A 18 NE2 186	TRP A 111 CH2 1025	-0.031	INTRA-CHAIN