Structural features of residue 21 in chain B

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Electrostatic Interactions:
ARG A 96 NH1	ARG B 21 NH1	3.082	INTER-CHAIN
ARG A 96 NH1	ARG B 21 NH2	3.121	INTER-CHAIN
ARG B 21 NH1	ARG A 96 NH1	3.082	INTER-CHAIN
ARG B 21 NH1	ARG B 250 NH2	3.098	INTRA-CHAIN
ARG B 21 NH1	HIS B 256 NE2	3.511	INTRA-CHAIN
ARG B 21 NH2	ARG A 96 NH1	3.121	INTER-CHAIN
ARG B 21 NH2	ARG B 249 NH1	3.007	INTRA-CHAIN
ARG B 21 NH2	ARG B 250 NH2	3.346	INTRA-CHAIN
ARG B 21 NH2	HIS B 256 NE2	3.490	INTRA-CHAIN
ARG B 249 NH1	ARG B 21 NH2	3.007	INTRA-CHAIN
ARG B 250 NH2	ARG B 21 NH1	3.098	INTRA-CHAIN
ARG B 250 NH2	ARG B 21 NH2	3.346	INTRA-CHAIN
HIS B 256 ND1	ARG B 21 NH1	4.029	INTRA-CHAIN
HIS B 256 NE2	ARG B 21 NH1	3.511	INTRA-CHAIN

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Protrusion Index:
ARG B 21 N	0.50
ARG B 21 CA	0.68
ARG B 21 C	0.67
ARG B 21 O	0.83
ARG B 21 CB	0.65
ARG B 21 CG	0.78
ARG B 21 CD	0.81
ARG B 21 NE	1.04
ARG B 21 CZ	1.04
ARG B 21 NH1	0.80
ARG B 21 NH2	1.29