Structural features of residue 81 in chain A

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Electrostatic Interactions:
ARG A 81 NH1	HIS A 145 NE2	2.300	INTRA-CHAIN
ARG A 81 NH1	HIS B 178 NE2	2.880	INTER-CHAIN
ARG A 81 NH1	HIS B 183 NE2	2.192	INTER-CHAIN
ARG A 81 NH2	HIS A 145 NE2	2.382	INTRA-CHAIN
ARG A 81 NH2	HIS B 178 NE2	2.871	INTER-CHAIN
ARG A 81 NH2	HIS B 183 NE2	2.368	INTER-CHAIN
HIS A 145 ND1	ARG A 81 NH1	2.428	INTRA-CHAIN
HIS A 145 NE2	ARG A 81 NH1	2.300	INTRA-CHAIN
HIS B 178 ND1	ARG A 81 NH1	2.831	INTER-CHAIN
HIS B 178 NE2	ARG A 81 NH1	2.880	INTER-CHAIN
HIS B 183 ND1	ARG A 81 NH1	2.300	INTER-CHAIN
HIS B 183 NE2	ARG A 81 NH1	2.192	INTER-CHAIN

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Protrusion Index:
ARG A 81 N	-0.01
ARG A 81 CA	0.04
ARG A 81 C	0.07
ARG A 81 O	0.09
ARG A 81 CB	0.05
ARG A 81 CG	0.26
ARG A 81 CD	0.30
ARG A 81 NE	0.45
ARG A 81 CZ	0.62
ARG A 81 NH1	0.65
ARG A 81 NH2	0.89

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Salt bridges:
ASP A 79	ARG A 81	2.864	INTRA-CHAIN
ARG A 81	ASP B 184	2.789	INTER-CHAIN

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Van der Waal's Interactions:
ARG A 81 NH2 652	PRO A 147 CD 1164	-0.018	INTRA-CHAIN
ARG A 81 NH2 652	ASP B 184 OD2 3462	-1.801	INTER-CHAIN