Structural features of residue 20 in chain B

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Electrostatic Interactions:
ARG B 18 NH1	HIS B 20 NE2	2.208	INTRA-CHAIN
ARG B 18 NH2	HIS B 20 NE2	2.259	INTRA-CHAIN
HIS B 20 ND1	ARG B 18 NH1	2.571	INTRA-CHAIN
HIS B 20 ND1	ASP B 24 OD1	-2.924	INTRA-CHAIN
HIS B 20 ND1	ARG B 25 NH1	2.523	INTRA-CHAIN
HIS B 20 NE2	ARG B 18 NH1	2.208	INTRA-CHAIN
HIS B 20 NE2	ASP B 24 OD1	-2.850	INTRA-CHAIN
HIS B 20 NE2	ARG B 25 NH1	2.393	INTRA-CHAIN
ASP B 24 OD1	HIS B 20 ND1	-2.924	INTRA-CHAIN
ASP B 24 OD2	HIS B 20 ND1	-2.821	INTRA-CHAIN
ARG B 25 NH1	HIS B 20 NE2	2.393	INTRA-CHAIN
ARG B 25 NH2	HIS B 20 NE2	2.611	INTRA-CHAIN

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Protrusion Index:
HIS B 20 N	0.71
HIS B 20 CA	0.78
HIS B 20 C	0.80
HIS B 20 O	0.80
HIS B 20 CB	1.34
HIS B 20 CG	1.51
HIS B 20 ND1	1.40
HIS B 20 CD2	2.02
HIS B 20 CE1	1.60
HIS B 20 NE2	2.16

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Van der Waal's Interactions:
LEU B 19 CD2 892	HIS B 20 NE2 902	-0.014	INTRA-CHAIN