Structural features of residue 18 in chain A

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Electrostatic Interactions:
ASP A 10 OD1	HIS A 18 ND1	-3.837	INTRA-CHAIN
ASP A 10 OD2	HIS A 18 ND1	-3.931	INTRA-CHAIN
ASP A 17 OD1	HIS A 18 ND1	-2.380	INTRA-CHAIN
ASP A 17 OD2	HIS A 18 ND1	-2.211	INTRA-CHAIN
HIS A 18 ND1	ASP A 10 OD1	-3.837	INTRA-CHAIN
HIS A 18 ND1	ASP A 17 OD1	-2.380	INTRA-CHAIN
HIS A 18 ND1	ARG A 23 NH1	2.121	INTRA-CHAIN
HIS A 18 NE2	ASP A 10 OD1	-6.470	INTRA-CHAIN
HIS A 18 NE2	ASP A 17 OD1	-2.465	INTRA-CHAIN

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Protrusion Index:
HIS A 18 N	0.64
HIS A 18 CA	0.54
HIS A 18 C	0.46
HIS A 18 O	0.29
HIS A 18 CB	0.34
HIS A 18 CG	0.46
HIS A 18 ND1	0.45
HIS A 18 CD2	0.29
HIS A 18 CE1	0.47
HIS A 18 NE2	0.37

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Salt bridges:
ASP A 10	HIS A 18	3.100	INTRA-CHAIN

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Van der Waal's Interactions:
ASP A 10 OD2 79	HIS A 18 NE2 144	-0.730	INTRA-CHAIN
ASN A 16 ND2 126	HIS A 18 NE2 144	-0.030	INTRA-CHAIN
HIS A 18 NE2 144	GLU A 34 OE2 273	-0.082	INTRA-CHAIN
HIS A 18 NE2 144	ASN B 104 ND2 1842	-0.009	INTER-CHAIN