Structural features of residue 20 in chain A

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Electrostatic Interactions:
HIS A 20 ND1	HIS A 64 ND1	0.814	INTRA-CHAIN
HIS A 20 ND1	HIS A 64 NE2	2.155	INTRA-CHAIN
HIS A 20 ND1	HIS A 66 ND1	2.092	INTRA-CHAIN
HIS A 20 ND1	HIS A 66 NE2	8.008	INTRA-CHAIN
HIS A 20 ND1	ASP A 70 OD1	-1.618	INTRA-CHAIN
HIS A 20 NE2	HIS A 64 ND1	0.736	INTRA-CHAIN
HIS A 20 NE2	HIS A 64 NE2	1.916	INTRA-CHAIN
HIS A 20 NE2	HIS A 66 ND1	1.573	INTRA-CHAIN
HIS A 20 NE2	HIS A 66 NE2	4.832	INTRA-CHAIN
HIS A 20 NE2	ASP B 70 OD1	-1.357	INTER-CHAIN
HIS A 20 NE2	ASP A 70 OD1	-1.552	INTRA-CHAIN
HIS A 64 ND1	HIS A 20 ND1	0.814	INTRA-CHAIN
HIS A 64 ND1	HIS A 20 NE2	1.657	INTRA-CHAIN
HIS A 64 NE2	HIS A 20 ND1	0.958	INTRA-CHAIN
HIS A 64 NE2	HIS A 20 NE2	1.916	INTRA-CHAIN
HIS A 66 ND1	HIS A 20 ND1	2.092	INTRA-CHAIN
HIS A 66 ND1	HIS A 20 NE2	3.538	INTRA-CHAIN
HIS A 66 NE2	HIS A 20 ND1	3.559	INTRA-CHAIN
HIS A 66 NE2	HIS A 20 NE2	4.832	INTRA-CHAIN
ASP A 70 OD1	HIS A 20 ND1	-1.618	INTRA-CHAIN
ASP A 70 OD2	HIS A 20 ND1	-1.540	INTRA-CHAIN

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Protrusion Index:
HIS A 20 N	0.00
HIS A 20 CA	0.05
HIS A 20 C	0.03
HIS A 20 O	0.01
HIS A 20 CB	0.06
HIS A 20 CG	0.06
HIS A 20 ND1	0.15
HIS A 20 CD2	0.05
HIS A 20 CE1	0.20
HIS A 20 NE2	0.16

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Salt bridges:
HIS A 20	HIS A 66	2.818	INTRA-CHAIN

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Van der Waal's Interactions:
HIS A 20 NE2 130	GLU A 57 OE2 440	-0.018	INTRA-CHAIN
HIS A 20 NE2 130	HIS A 66 NE2 517	-0.085	INTRA-CHAIN
HIS A 20 NE2 130	LEU A 68 CD2 533	-0.043	INTRA-CHAIN
HIS A 20 NE2 130	SER A 114 OG 904	-0.014	INTRA-CHAIN
HIS A 20 NE2 130	VAL A 116 CG2 918	-0.424	INTRA-CHAIN
HIS A 20 NE2 130	VAL B 124 CG2 1992	-0.051	INTER-CHAIN
HIS A 20 NE2 130	ILE B 128 CD1 2030	-0.337	INTER-CHAIN