Structural features of residue 21 in chain A

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Electrostatic Interactions:
ARG A 17 NH1	ARG A 21 NH1	6.862	INTRA-CHAIN
ARG A 17 NH1	ARG A 21 NH2	9.176	INTRA-CHAIN
ARG A 17 NH2	ARG A 21 NH1	8.039	INTRA-CHAIN
ARG A 17 NH2	ARG A 21 NH2	9.458	INTRA-CHAIN
ARG A 21 NH1	ARG A 17 NH1	6.862	INTRA-CHAIN
ARG A 21 NH1	ARG A 17 NH2	8.039	INTRA-CHAIN
ARG A 21 NH1	HIS A 26 NE2	3.030	INTRA-CHAIN
ARG A 21 NH1	HIS A 70 NE2	3.272	INTRA-CHAIN
ARG A 21 NH1	HIS B 106 NE2	2.271	INTER-CHAIN
ARG A 21 NH1	ARG B 284 NH1	3.107	INTER-CHAIN
ARG A 21 NH1	ARG B 284 NH2	3.296	INTER-CHAIN
ARG A 21 NH2	ARG A 17 NH1	9.176	INTRA-CHAIN
ARG A 21 NH2	ARG A 17 NH2	9.458	INTRA-CHAIN
ARG A 21 NH2	HIS A 26 NE2	3.015	INTRA-CHAIN
ARG A 21 NH2	HIS A 70 NE2	3.147	INTRA-CHAIN
ARG A 21 NH2	HIS B 106 NE2	2.354	INTER-CHAIN
ARG A 21 NH2	ARG B 284 NH1	3.580	INTER-CHAIN
ARG A 21 NH2	ARG B 284 NH2	3.762	INTER-CHAIN
HIS A 26 ND1	ARG A 21 NH1	2.629	INTRA-CHAIN
HIS A 26 NE2	ARG A 21 NH1	3.030	INTRA-CHAIN
HIS A 70 ND1	ARG A 21 NH1	2.803	INTRA-CHAIN
HIS A 70 NE2	ARG A 21 NH1	3.272	INTRA-CHAIN
HIS B 106 ND1	ARG A 21 NH1	2.119	INTER-CHAIN
HIS B 106 NE2	ARG A 21 NH1	2.271	INTER-CHAIN
ARG B 284 NH1	ARG A 21 NH1	3.107	INTER-CHAIN
ARG B 284 NH1	ARG A 21 NH2	3.580	INTER-CHAIN
ARG B 284 NH2	ARG A 21 NH1	3.296	INTER-CHAIN
ARG B 284 NH2	ARG A 21 NH2	3.762	INTER-CHAIN

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Protrusion Index:
ARG A 21 N	0.43
ARG A 21 CA	0.40
ARG A 21 C	0.28
ARG A 21 O	0.17
ARG A 21 CB	0.50
ARG A 21 CG	0.57
ARG A 21 CD	0.80
ARG A 21 NE	0.78
ARG A 21 CZ	0.95
ARG A 21 NH1	1.40
ARG A 21 NH2	1.06

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Van der Waal's Interactions:
ARG A 17 NH2 49	ARG A 21 NH2 83	-0.082	INTRA-CHAIN
ARG A 21 NH2 83	GLU B 294 OE2 4816	-0.058	INTER-CHAIN