Structural features of residue 31 in chain A

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Electrostatic Interactions:
ARG A 31 NH1	ARG B 15 NH1	2.996	INTER-CHAIN
ARG A 31 NH1	ARG A 55 NH1	2.975	INTRA-CHAIN
ARG A 31 NH1	ARG A 55 NH2	3.478	INTRA-CHAIN
ARG A 31 NH2	ARG A 55 NH1	3.010	INTRA-CHAIN
ARG A 31 NH2	ARG A 55 NH2	3.514	INTRA-CHAIN
ARG A 55 NH1	ARG A 31 NH1	2.975	INTRA-CHAIN
ARG A 55 NH1	ARG A 31 NH2	3.010	INTRA-CHAIN
ARG A 55 NH2	ARG A 31 NH1	3.478	INTRA-CHAIN
ARG A 55 NH2	ARG A 31 NH2	3.514	INTRA-CHAIN
ARG B 15 NH1	ARG A 31 NH1	2.996	INTER-CHAIN

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Protrusion Index:
ARG A 31 N	0.47
ARG A 31 CA	0.49
ARG A 31 C	0.50
ARG A 31 O	0.45
ARG A 31 CB	0.63
ARG A 31 CG	0.69
ARG A 31 CD	1.00
ARG A 31 NE	1.22
ARG A 31 CZ	1.32
ARG A 31 NH1	1.15
ARG A 31 NH2	1.71

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Salt bridges:
ASP A 27	ARG A 31	2.827	INTRA-CHAIN
GLU A 28	ARG A 31	2.989	INTRA-CHAIN

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Van der Waal's Interactions:
GLU A 28 OE2 220	ARG A 31 NH2 243	-1.286	INTRA-CHAIN