Structural features of residue 21 in chain A

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Electrostatic Interactions:
ARG A 18 NH1	ARG A 21 NH1	3.392	INTRA-CHAIN
ARG A 18 NH1	ARG A 21 NH2	3.188	INTRA-CHAIN
ARG A 18 NH2	ARG A 21 NH1	3.187	INTRA-CHAIN
ARG A 18 NH2	ARG A 21 NH2	3.041	INTRA-CHAIN
ARG A 21 NH1	ARG A 18 NH1	3.392	INTRA-CHAIN
ARG A 21 NH1	ARG A 18 NH2	3.187	INTRA-CHAIN
ARG A 21 NH1	ARG B 83 NH1	4.726	INTER-CHAIN
ARG A 21 NH1	ARG B 83 NH2	4.172	INTER-CHAIN
ARG A 21 NH1	ARG A 260 NH1	3.982	INTRA-CHAIN
ARG A 21 NH1	ARG A 260 NH2	4.863	INTRA-CHAIN
ARG A 21 NH2	ARG A 18 NH1	3.188	INTRA-CHAIN
ARG A 21 NH2	ARG A 18 NH2	3.041	INTRA-CHAIN
ARG A 21 NH2	ARG B 83 NH1	5.212	INTER-CHAIN
ARG A 21 NH2	ARG B 83 NH2	4.757	INTER-CHAIN
ARG A 21 NH2	ARG A 260 NH1	3.458	INTRA-CHAIN
ARG A 21 NH2	ARG A 260 NH2	4.158	INTRA-CHAIN
ARG A 260 NH1	ARG A 21 NH1	3.982	INTRA-CHAIN
ARG A 260 NH1	ARG A 21 NH2	3.458	INTRA-CHAIN
ARG A 260 NH2	ARG A 21 NH1	4.863	INTRA-CHAIN
ARG A 260 NH2	ARG A 21 NH2	4.158	INTRA-CHAIN
ARG B 83 NH1	ARG A 21 NH1	4.726	INTER-CHAIN
ARG B 83 NH1	ARG A 21 NH2	5.212	INTER-CHAIN
ARG B 83 NH2	ARG A 21 NH1	4.172	INTER-CHAIN
ARG B 83 NH2	ARG A 21 NH2	4.757	INTER-CHAIN

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Protrusion Index:
ARG A 21 N	0.58
ARG A 21 CA	0.84
ARG A 21 C	0.81
ARG A 21 O	1.00
ARG A 21 CB	0.86
ARG A 21 CG	0.84
ARG A 21 CD	0.83
ARG A 21 NE	0.88
ARG A 21 CZ	0.68
ARG A 21 NH1	0.41
ARG A 21 NH2	0.81

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Van der Waal's Interactions:
ASN A 20 ND2 159	ARG A 21 NH2 170	-0.023	INTRA-CHAIN
ARG A 21 NH2 170	ALA B 82 CB 2981	-0.012	INTER-CHAIN
ARG A 21 NH2 170	GLY B 84 O 2996	-0.029	INTER-CHAIN
ARG A 21 NH2 170	GLU A 265 OE2 1996	-0.010	INTRA-CHAIN