Structural features of residue 20 in chain A

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Electrostatic Interactions:
ARG A 20 NH1	HIS A 28 NE2	3.093	INTRA-CHAIN
ARG A 20 NH1	ARG A 67 NH1	3.729	INTRA-CHAIN
ARG A 20 NH1	ARG A 67 NH2	4.005	INTRA-CHAIN
ARG A 20 NH2	ARG A 25 NH1	3.070	INTRA-CHAIN
ARG A 20 NH2	HIS A 28 NE2	3.276	INTRA-CHAIN
ARG A 20 NH2	ARG A 65 NH2	3.095	INTRA-CHAIN
ARG A 20 NH2	ARG A 67 NH1	3.721	INTRA-CHAIN
ARG A 20 NH2	ARG A 67 NH2	4.087	INTRA-CHAIN
ARG A 25 NH1	ARG A 20 NH2	3.070	INTRA-CHAIN
HIS A 28 ND1	ARG A 20 NH1	2.617	INTRA-CHAIN
HIS A 28 NE2	ARG A 20 NH1	3.093	INTRA-CHAIN
ARG A 65 NH2	ARG A 20 NH2	3.095	INTRA-CHAIN
ARG A 67 NH1	ARG A 20 NH1	3.729	INTRA-CHAIN
ARG A 67 NH1	ARG A 20 NH2	3.721	INTRA-CHAIN
ARG A 67 NH2	ARG A 20 NH1	4.005	INTRA-CHAIN
ARG A 67 NH2	ARG A 20 NH2	4.087	INTRA-CHAIN

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Protrusion Index:
ARG A 20 N	0.78
ARG A 20 CA	0.71
ARG A 20 C	0.57
ARG A 20 O	0.40
ARG A 20 CB	0.68
ARG A 20 CG	0.71
ARG A 20 CD	0.77
ARG A 20 NE	0.81
ARG A 20 CZ	0.98
ARG A 20 NH1	1.54
ARG A 20 NH2	1.11

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Salt bridges:
ARG A 20	ASP B 428	2.793	INTER-CHAIN

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Short Contacts:
ARG A 20 NH2	ILE B 431 CD1	-0.230	INTER-CHAIN

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Van der Waal's Interactions:
GLU A 17 OE2 127	ARG A 20 NH2 152	-0.021	INTRA-CHAIN
ARG A 20 NH2 152	THR B 427 CG2 3368	-0.057	INTER-CHAIN
ARG A 20 NH2 152	ASP B 428 OD2 3376	-0.113	INTER-CHAIN
ARG A 20 NH2 152	ILE B 431 CD1 3396	-1.889	INTER-CHAIN