Structural features of residue 20 in chain A

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Electrostatic Interactions:
ARG A 20 NH1	ARG A 25 NH1	3.266	INTRA-CHAIN
ARG A 20 NH1	HIS A 28 NE2	2.518	INTRA-CHAIN
ARG A 20 NH1	ARG A 67 NH1	5.479	INTRA-CHAIN
ARG A 20 NH1	ARG A 67 NH2	4.454	INTRA-CHAIN
ARG A 20 NH2	ARG A 25 NH1	3.282	INTRA-CHAIN
ARG A 20 NH2	HIS A 28 NE2	2.178	INTRA-CHAIN
ARG A 20 NH2	ARG A 67 NH1	7.514	INTRA-CHAIN
ARG A 20 NH2	ARG A 67 NH2	5.772	INTRA-CHAIN
ARG A 25 NH1	ARG A 20 NH1	3.266	INTRA-CHAIN
ARG A 25 NH1	ARG A 20 NH2	3.282	INTRA-CHAIN
HIS A 28 ND1	ARG A 20 NH1	2.360	INTRA-CHAIN
HIS A 28 NE2	ARG A 20 NH1	2.518	INTRA-CHAIN
ARG A 67 NH1	ARG A 20 NH1	5.479	INTRA-CHAIN
ARG A 67 NH1	ARG A 20 NH2	7.514	INTRA-CHAIN
ARG A 67 NH2	ARG A 20 NH1	4.454	INTRA-CHAIN
ARG A 67 NH2	ARG A 20 NH2	5.772	INTRA-CHAIN

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Protrusion Index:
ARG A 20 N	0.72
ARG A 20 CA	0.65
ARG A 20 C	0.49
ARG A 20 O	0.47
ARG A 20 CB	0.67
ARG A 20 CG	0.60
ARG A 20 CD	0.72
ARG A 20 NE	0.56
ARG A 20 CZ	0.64
ARG A 20 NH1	0.77
ARG A 20 NH2	0.57

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Salt bridges:
ARG A 20	GLU B 431	3.021	INTER-CHAIN

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Van der Waal's Interactions:
GLU A 17 OE2 113	ARG A 20 NH2 138	-0.175	INTRA-CHAIN
ARG A 20 NH2 138	ILE A 21 CD1 146	-0.013	INTRA-CHAIN
ARG A 20 NH2 138	GLU A 54 OE2 401	-0.033	INTRA-CHAIN
ARG A 20 NH2 138	THR B 427 CG2 3329	-0.108	INTER-CHAIN
ARG A 20 NH2 138	ALA B 428 CB 3334	-0.114	INTER-CHAIN
ARG A 20 NH2 138	GLU B 431 OE2 3355	-0.022	INTER-CHAIN