Structural features of residue 81 in chain A

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Electrostatic Interactions:
ARG A 81 NH1	ARG A 90 NH1	10.294	INTRA-CHAIN
ARG A 81 NH1	ARG A 90 NH2	10.873	INTRA-CHAIN
ARG A 81 NH1	ARG A 91 NH1	3.220	INTRA-CHAIN
ARG A 81 NH1	ARG A 94 NH1	4.247	INTRA-CHAIN
ARG A 81 NH1	ARG A 94 NH2	3.914	INTRA-CHAIN
ARG A 81 NH1	HIS B 106 NE2	3.588	INTER-CHAIN
ARG A 81 NH1	ARG B 138 NH1	3.983	INTER-CHAIN
ARG A 81 NH1	ARG B 138 NH2	4.669	INTER-CHAIN
ARG A 81 NH2	ARG A 90 NH1	14.014	INTRA-CHAIN
ARG A 81 NH2	ARG A 90 NH2	12.454	INTRA-CHAIN
ARG A 81 NH2	ARG A 91 NH1	3.636	INTRA-CHAIN
ARG A 81 NH2	ARG A 91 NH2	3.202	INTRA-CHAIN
ARG A 81 NH2	ARG A 94 NH1	4.233	INTRA-CHAIN
ARG A 81 NH2	ARG A 94 NH2	4.052	INTRA-CHAIN
ARG A 81 NH2	HIS B 106 NE2	3.198	INTER-CHAIN
ARG A 81 NH2	ARG B 138 NH1	3.504	INTER-CHAIN
ARG A 81 NH2	ARG B 138 NH2	4.087	INTER-CHAIN
ARG A 90 NH1	ARG A 81 NH1	10.294	INTRA-CHAIN
ARG A 90 NH1	ARG A 81 NH2	14.014	INTRA-CHAIN
ARG A 90 NH2	ARG A 81 NH1	10.873	INTRA-CHAIN
ARG A 90 NH2	ARG A 81 NH2	12.454	INTRA-CHAIN
ARG A 91 NH1	ARG A 81 NH1	3.220	INTRA-CHAIN
ARG A 91 NH1	ARG A 81 NH2	3.636	INTRA-CHAIN
ARG A 91 NH2	ARG A 81 NH2	3.202	INTRA-CHAIN
ARG A 94 NH1	ARG A 81 NH1	4.247	INTRA-CHAIN
ARG A 94 NH1	ARG A 81 NH2	4.233	INTRA-CHAIN
ARG A 94 NH2	ARG A 81 NH1	3.914	INTRA-CHAIN
ARG A 94 NH2	ARG A 81 NH2	4.052	INTRA-CHAIN
HIS B 106 ND1	ARG A 81 NH1	4.388	INTER-CHAIN
HIS B 106 NE2	ARG A 81 NH1	3.588	INTER-CHAIN
ARG B 138 NH1	ARG A 81 NH1	3.983	INTER-CHAIN
ARG B 138 NH1	ARG A 81 NH2	3.504	INTER-CHAIN
ARG B 138 NH2	ARG A 81 NH1	4.669	INTER-CHAIN
ARG B 138 NH2	ARG A 81 NH2	4.087	INTER-CHAIN

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Protrusion Index:
ARG A 81 N	0.71
ARG A 81 CA	0.63
ARG A 81 C	0.64
ARG A 81 O	0.53
ARG A 81 CB	0.63
ARG A 81 CG	0.46
ARG A 81 CD	0.58
ARG A 81 NE	0.64
ARG A 81 CZ	0.64
ARG A 81 NH1	0.68
ARG A 81 NH2	0.91

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Salt bridges:
ARG A 81	ARG A 90	3.172	INTRA-CHAIN

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Van der Waal's Interactions:
ASP A 78 OD2 633	ARG A 81 NH2 659	-0.012	INTRA-CHAIN
ARG A 81 NH2 659	VAL A 87 CG2 703	-0.033	INTRA-CHAIN
ARG A 81 NH2 659	ARG A 90 NH2 731	-0.417	INTRA-CHAIN