Structural features of residue 21 in chain A

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Electrostatic Interactions:
ARG A 21 NH1	HIS A 186 NE2	3.510	INTRA-CHAIN
ARG A 21 NH1	ARG A 188 NH1	3.471	INTRA-CHAIN
ARG A 21 NH1	ARG A 188 NH2	3.064	INTRA-CHAIN
ARG A 21 NH1	HIS B 207 NE2	2.230	INTER-CHAIN
ARG A 21 NH2	HIS A 186 NE2	3.739	INTRA-CHAIN
ARG A 21 NH2	ARG A 188 NH1	4.208	INTRA-CHAIN
ARG A 21 NH2	ARG A 188 NH2	3.633	INTRA-CHAIN
ARG A 21 NH2	HIS A 190 NE2	2.258	INTRA-CHAIN
ARG A 21 NH2	HIS B 207 NE2	2.431	INTER-CHAIN
HIS A 186 ND1	ARG A 21 NH1	3.497	INTRA-CHAIN
HIS A 186 NE2	ARG A 21 NH1	3.510	INTRA-CHAIN
ARG A 188 NH1	ARG A 21 NH1	3.471	INTRA-CHAIN
ARG A 188 NH1	ARG A 21 NH2	4.208	INTRA-CHAIN
ARG A 188 NH2	ARG A 21 NH1	3.064	INTRA-CHAIN
ARG A 188 NH2	ARG A 21 NH2	3.633	INTRA-CHAIN
HIS B 207 ND1	ARG A 21 NH1	2.471	INTER-CHAIN
HIS B 207 NE2	ARG A 21 NH1	2.230	INTER-CHAIN

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Protrusion Index:
ARG A 21 N	0.29
ARG A 21 CA	0.45
ARG A 21 C	0.41
ARG A 21 O	0.52
ARG A 21 CB	0.53
ARG A 21 CG	0.62
ARG A 21 CD	0.86
ARG A 21 NE	0.89
ARG A 21 CZ	1.04
ARG A 21 NH1	1.40
ARG A 21 NH2	0.98

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Van der Waal's Interactions:
ARG A 21 NH2 95	TYR B 208 OH 3066	-1.164	INTER-CHAIN