Structural features of residue 18 in chain A

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Electrostatic Interactions:
ARG A 18 NH1	HIS A 30 NE2	8.949	INTRA-CHAIN
ARG A 18 NH1	ARG A 34 NH1	3.599	INTRA-CHAIN
ARG A 18 NH1	ARG A 34 NH2	3.989	INTRA-CHAIN
ARG A 18 NH2	HIS A 30 NE2	7.754	INTRA-CHAIN
ARG A 18 NH2	ARG A 34 NH1	3.112	INTRA-CHAIN
ARG A 18 NH2	ARG A 34 NH2	3.356	INTRA-CHAIN
HIS A 30 ND1	ARG A 18 NH1	7.785	INTRA-CHAIN
HIS A 30 NE2	ARG A 18 NH1	8.949	INTRA-CHAIN
ARG A 34 NH1	ARG A 18 NH1	3.599	INTRA-CHAIN
ARG A 34 NH1	ARG A 18 NH2	3.112	INTRA-CHAIN
ARG A 34 NH2	ARG A 18 NH1	3.989	INTRA-CHAIN
ARG A 34 NH2	ARG A 18 NH2	3.356	INTRA-CHAIN

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Hydrogen bonds:

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|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
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|        R|       18|      A|         E|      121|      B|
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Protrusion Index:
ARG A 18 N	0.15
ARG A 18 CA	0.20
ARG A 18 C	0.14
ARG A 18 O	0.06
ARG A 18 CB	0.31
ARG A 18 CG	0.47
ARG A 18 CD	0.60
ARG A 18 NE	0.77
ARG A 18 CZ	1.19
ARG A 18 NH1	1.37
ARG A 18 NH2	1.54

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Van der Waal's Interactions:
ARG A 18 NH2 53	HIS A 30 NE2 145	-0.189	INTRA-CHAIN