Structural features of residue 20 in chain A

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Electrostatic Interactions:
HIS A 20 ND1	HIS A 64 ND1	0.827	INTRA-CHAIN
HIS A 20 ND1	HIS A 64 NE2	2.203	INTRA-CHAIN
HIS A 20 ND1	HIS A 66 ND1	2.089	INTRA-CHAIN
HIS A 20 ND1	HIS A 66 NE2	8.093	INTRA-CHAIN
HIS A 20 ND1	ASP A 70 OD1	-1.595	INTRA-CHAIN
HIS A 20 NE2	HIS A 64 ND1	0.726	INTRA-CHAIN
HIS A 20 NE2	HIS A 64 NE2	1.893	INTRA-CHAIN
HIS A 20 NE2	HIS A 66 ND1	1.501	INTRA-CHAIN
HIS A 20 NE2	HIS A 66 NE2	4.747	INTRA-CHAIN
HIS A 20 NE2	ASP A 70 OD1	-1.611	INTRA-CHAIN
ASP A 61 OD2	HIS A 20 ND1	-1.412	INTRA-CHAIN
HIS A 64 ND1	HIS A 20 ND1	0.827	INTRA-CHAIN
HIS A 64 ND1	HIS A 20 NE2	1.633	INTRA-CHAIN
HIS A 64 NE2	HIS A 20 ND1	0.979	INTRA-CHAIN
HIS A 64 NE2	HIS A 20 NE2	1.893	INTRA-CHAIN
HIS A 66 ND1	HIS A 20 ND1	2.089	INTRA-CHAIN
HIS A 66 ND1	HIS A 20 NE2	3.378	INTRA-CHAIN
HIS A 66 NE2	HIS A 20 ND1	3.597	INTRA-CHAIN
HIS A 66 NE2	HIS A 20 NE2	4.747	INTRA-CHAIN
ASP A 70 OD1	HIS A 20 ND1	-1.595	INTRA-CHAIN
ASP A 70 OD2	HIS A 20 ND1	-1.459	INTRA-CHAIN
ASP B 70 OD2	HIS A 20 ND1	-1.347	INTER-CHAIN

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Protrusion Index:
HIS A 20 N	0.10
HIS A 20 CA	0.16
HIS A 20 C	0.11
HIS A 20 O	0.08
HIS A 20 CB	0.17
HIS A 20 CG	0.24
HIS A 20 ND1	0.32
HIS A 20 CD2	0.24
HIS A 20 CE1	0.47
HIS A 20 NE2	0.41

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Salt bridges:
HIS A 20	HIS A 66	2.788	INTRA-CHAIN

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Van der Waal's Interactions:
HIS A 20 NE2 142	HIS A 66 NE2 529	-0.077	INTRA-CHAIN
HIS A 20 NE2 142	LEU A 68 CD2 545	-0.078	INTRA-CHAIN
HIS A 20 NE2 142	SER A 114 OG 916	-0.025	INTRA-CHAIN
HIS A 20 NE2 142	VAL A 116 CG2 930	-0.485	INTRA-CHAIN
HIS A 20 NE2 142	LEU B 121 CD2 2028	-0.008	INTER-CHAIN
HIS A 20 NE2 142	VAL B 124 CG2 2050	-0.009	INTER-CHAIN