Structural features of residue 20 in chain A

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Electrostatic Interactions:
ARG A 20 NH1	ARG A 25 NH1	2.985	INTRA-CHAIN
ARG A 20 NH1	HIS A 28 NE2	3.170	INTRA-CHAIN
ARG A 20 NH1	ARG A 67 NH1	3.680	INTRA-CHAIN
ARG A 20 NH1	ARG A 67 NH2	3.523	INTRA-CHAIN
ARG A 20 NH2	ARG A 25 NH1	2.985	INTRA-CHAIN
ARG A 20 NH2	HIS A 28 NE2	3.100	INTRA-CHAIN
ARG A 20 NH2	ARG A 65 NH2	3.008	INTRA-CHAIN
ARG A 20 NH2	ARG A 67 NH1	3.976	INTRA-CHAIN
ARG A 20 NH2	ARG A 67 NH2	3.894	INTRA-CHAIN
ARG A 25 NH1	ARG A 20 NH1	2.985	INTRA-CHAIN
ARG A 25 NH1	ARG A 20 NH2	2.985	INTRA-CHAIN
HIS A 28 ND1	ARG A 20 NH1	2.602	INTRA-CHAIN
HIS A 28 NE2	ARG A 20 NH1	3.170	INTRA-CHAIN
ARG A 65 NH2	ARG A 20 NH2	3.008	INTRA-CHAIN
ARG A 67 NH1	ARG A 20 NH1	3.680	INTRA-CHAIN
ARG A 67 NH1	ARG A 20 NH2	3.976	INTRA-CHAIN
ARG A 67 NH2	ARG A 20 NH1	3.523	INTRA-CHAIN
ARG A 67 NH2	ARG A 20 NH2	3.894	INTRA-CHAIN

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Protrusion Index:
ARG A 20 N	0.77
ARG A 20 CA	0.68
ARG A 20 C	0.56
ARG A 20 O	0.40
ARG A 20 CB	0.78
ARG A 20 CG	0.77
ARG A 20 CD	0.58
ARG A 20 NE	0.68
ARG A 20 CZ	0.98
ARG A 20 NH1	1.24
ARG A 20 NH2	1.29

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Salt bridges:
ARG A 20	ASP B 428	3.177	INTER-CHAIN

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Van der Waal's Interactions:
GLU A 17 OE2 123	ARG A 20 NH2 148	-0.016	INTRA-CHAIN
ARG A 20 NH2 148	THR B 427 CG2 6566	-0.038	INTER-CHAIN
ARG A 20 NH2 148	ASP B 428 OD2 6574	-0.085	INTER-CHAIN
ARG A 20 NH2 148	ILE B 431 CD1 6594	-0.444	INTER-CHAIN