Structural features of residue 20 in chain A

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Electrostatic Interactions:
ARG A 14 NH1	ARG A 20 NH1	3.576	INTRA-CHAIN
ARG A 14 NH1	ARG A 20 NH2	3.715	INTRA-CHAIN
ARG A 14 NH2	ARG A 20 NH1	3.025	INTRA-CHAIN
ARG A 14 NH2	ARG A 20 NH2	3.136	INTRA-CHAIN
ARG A 16 NH1	ARG A 20 NH1	4.844	INTRA-CHAIN
ARG A 16 NH1	ARG A 20 NH2	4.667	INTRA-CHAIN
ARG A 16 NH2	ARG A 20 NH1	6.126	INTRA-CHAIN
ARG A 16 NH2	ARG A 20 NH2	5.636	INTRA-CHAIN
ARG A 17 NH1	ARG A 20 NH1	3.149	INTRA-CHAIN
ARG A 17 NH1	ARG A 20 NH2	3.070	INTRA-CHAIN
ARG A 17 NH2	ARG A 20 NH1	3.091	INTRA-CHAIN
ARG A 17 NH2	ARG A 20 NH2	3.084	INTRA-CHAIN
ARG A 19 NH1	ARG A 20 NH1	3.720	INTRA-CHAIN
ARG A 19 NH1	ARG A 20 NH2	3.294	INTRA-CHAIN
ARG A 19 NH2	ARG A 20 NH1	3.286	INTRA-CHAIN
ARG A 20 NH1	ARG A 14 NH1	3.576	INTRA-CHAIN
ARG A 20 NH1	ARG A 14 NH2	3.025	INTRA-CHAIN
ARG A 20 NH1	ARG A 16 NH1	4.844	INTRA-CHAIN
ARG A 20 NH1	ARG A 16 NH2	6.126	INTRA-CHAIN
ARG A 20 NH1	ARG A 17 NH1	3.149	INTRA-CHAIN
ARG A 20 NH1	ARG A 17 NH2	3.091	INTRA-CHAIN
ARG A 20 NH1	ARG A 19 NH1	3.720	INTRA-CHAIN
ARG A 20 NH1	ARG A 19 NH2	3.286	INTRA-CHAIN
ARG A 20 NH1	ARG A 26 NH1	3.017	INTRA-CHAIN
ARG A 20 NH1	ARG A 29 NH1	3.002	INTRA-CHAIN
ARG A 20 NH1	ARG A 29 NH2	3.366	INTRA-CHAIN
ARG A 20 NH1	ARG B 181 NH2	3.004	INTER-CHAIN
ARG A 20 NH2	ARG A 14 NH1	3.715	INTRA-CHAIN
ARG A 20 NH2	ARG A 14 NH2	3.136	INTRA-CHAIN
ARG A 20 NH2	ARG A 16 NH1	4.667	INTRA-CHAIN
ARG A 20 NH2	ARG A 16 NH2	5.636	INTRA-CHAIN
ARG A 20 NH2	ARG A 17 NH1	3.070	INTRA-CHAIN
ARG A 20 NH2	ARG A 17 NH2	3.084	INTRA-CHAIN
ARG A 20 NH2	ARG A 19 NH1	3.294	INTRA-CHAIN
ARG A 20 NH2	ARG B 181 NH2	2.985	INTER-CHAIN
ARG A 26 NH1	ARG A 20 NH1	3.017	INTRA-CHAIN
ARG A 29 NH1	ARG A 20 NH1	3.002	INTRA-CHAIN
ARG A 29 NH2	ARG A 20 NH1	3.366	INTRA-CHAIN
ARG B 181 NH2	ARG A 20 NH1	3.004	INTER-CHAIN
ARG B 181 NH2	ARG A 20 NH2	2.985	INTER-CHAIN

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Protrusion Index:
ARG A 20 N	0.62
ARG A 20 CA	0.78
ARG A 20 C	0.95
ARG A 20 O	1.02
ARG A 20 CB	0.89
ARG A 20 CG	1.17
ARG A 20 CD	1.32
ARG A 20 NE	1.57
ARG A 20 CZ	1.78
ARG A 20 NH1	1.64
ARG A 20 NH2	2.47

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Salt bridges:
ARG A 19	ARG A 20	2.802	INTRA-CHAIN

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Van der Waal's Interactions:
ARG A 20 NH2 109	ASP A 21 OD2 117	-0.013	INTRA-CHAIN
ARG A 20 NH2 109	TYR B 147 OH 3651	-0.033	INTER-CHAIN