Structural features of residue 81 in chain A

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Electrostatic Interactions:
ARG A 81 NH1	HIS B 38 NE2	3.118	INTER-CHAIN
ARG A 81 NH1	ARG B 43 NH1	3.336	INTER-CHAIN
ARG A 81 NH1	ARG B 43 NH2	3.784	INTER-CHAIN
ARG A 81 NH1	ARG B 73 NH1	3.734	INTER-CHAIN
ARG A 81 NH1	ARG B 73 NH2	4.451	INTER-CHAIN
ARG A 81 NH2	HIS B 38 NE2	3.174	INTER-CHAIN
ARG A 81 NH2	ARG B 43 NH1	3.832	INTER-CHAIN
ARG A 81 NH2	ARG B 43 NH2	4.466	INTER-CHAIN
ARG A 81 NH2	ARG B 73 NH1	3.345	INTER-CHAIN
ARG A 81 NH2	ARG B 73 NH2	3.851	INTER-CHAIN
HIS B 38 ND1	ARG A 81 NH1	2.932	INTER-CHAIN
HIS B 38 NE2	ARG A 81 NH1	3.118	INTER-CHAIN
ARG B 43 NH1	ARG A 81 NH1	3.336	INTER-CHAIN
ARG B 43 NH1	ARG A 81 NH2	3.832	INTER-CHAIN
ARG B 43 NH2	ARG A 81 NH1	3.784	INTER-CHAIN
ARG B 43 NH2	ARG A 81 NH2	4.466	INTER-CHAIN
ARG B 73 NH1	ARG A 81 NH1	3.734	INTER-CHAIN
ARG B 73 NH1	ARG A 81 NH2	3.345	INTER-CHAIN
ARG B 73 NH2	ARG A 81 NH1	4.451	INTER-CHAIN
ARG B 73 NH2	ARG A 81 NH2	3.851	INTER-CHAIN

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Protrusion Index:
ARG A 81 N	0.53
ARG A 81 CA	0.64
ARG A 81 C	0.43
ARG A 81 O	0.42
ARG A 81 CB	0.88
ARG A 81 CG	1.17
ARG A 81 CD	1.74
ARG A 81 NE	2.16
ARG A 81 CZ	2.72
ARG A 81 NH1	3.09
ARG A 81 NH2	3.25

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Van der Waal's Interactions:
ARG A 81 NH2 637	SER A 86 OG 675	-0.017	INTRA-CHAIN