Structural features of residue 31 in chain A

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Electrostatic Interactions:
ARG A 30 NH1	ARG A 31 NH1	3.810	INTRA-CHAIN
ARG A 30 NH1	ARG A 31 NH2	3.741	INTRA-CHAIN
ARG A 30 NH2	ARG A 31 NH1	3.516	INTRA-CHAIN
ARG A 30 NH2	ARG A 31 NH2	3.371	INTRA-CHAIN
ARG A 31 NH1	ARG B 19 NH2	3.101	INTER-CHAIN
ARG A 31 NH1	ARG A 30 NH1	3.810	INTRA-CHAIN
ARG A 31 NH1	ARG A 30 NH2	3.516	INTRA-CHAIN
ARG A 31 NH1	ARG A 53 NH1	4.591	INTRA-CHAIN
ARG A 31 NH1	ARG A 53 NH2	5.994	INTRA-CHAIN
ARG A 31 NH1	ARG A 61 NH1	4.991	INTRA-CHAIN
ARG A 31 NH1	ARG A 61 NH2	6.383	INTRA-CHAIN
ARG A 31 NH1	HIS A 84 NE2	2.899	INTRA-CHAIN
ARG A 31 NH2	ARG B 19 NH1	3.173	INTER-CHAIN
ARG A 31 NH2	ARG B 19 NH2	3.405	INTER-CHAIN
ARG A 31 NH2	ARG A 30 NH1	3.741	INTRA-CHAIN
ARG A 31 NH2	ARG A 30 NH2	3.371	INTRA-CHAIN
ARG A 31 NH2	ARG A 53 NH1	4.467	INTRA-CHAIN
ARG A 31 NH2	ARG A 53 NH2	5.762	INTRA-CHAIN
ARG A 31 NH2	ARG A 61 NH1	6.704	INTRA-CHAIN
ARG A 31 NH2	ARG A 61 NH2	9.288	INTRA-CHAIN
ARG A 31 NH2	HIS A 84 NE2	2.988	INTRA-CHAIN
ARG A 53 NH1	ARG A 31 NH1	4.591	INTRA-CHAIN
ARG A 53 NH1	ARG A 31 NH2	4.467	INTRA-CHAIN
ARG A 53 NH2	ARG A 31 NH1	5.994	INTRA-CHAIN
ARG A 53 NH2	ARG A 31 NH2	5.762	INTRA-CHAIN
ARG A 61 NH1	ARG A 31 NH1	4.991	INTRA-CHAIN
ARG A 61 NH1	ARG A 31 NH2	6.704	INTRA-CHAIN
ARG A 61 NH2	ARG A 31 NH1	6.383	INTRA-CHAIN
ARG A 61 NH2	ARG A 31 NH2	9.288	INTRA-CHAIN
HIS A 84 ND1	ARG A 31 NH1	2.947	INTRA-CHAIN
HIS A 84 NE2	ARG A 31 NH1	2.899	INTRA-CHAIN
ARG B 19 NH1	ARG A 31 NH2	3.173	INTER-CHAIN
ARG B 19 NH2	ARG A 31 NH1	3.101	INTER-CHAIN
ARG B 19 NH2	ARG A 31 NH2	3.405	INTER-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|       31|      A|         D|       21|      B|
----------------------------------------------------------

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Protrusion Index:
ARG A 31 N	0.26
ARG A 31 CA	0.16
ARG A 31 C	0.15
ARG A 31 O	0.13
ARG A 31 CB	0.09
ARG A 31 CG	0.01
ARG A 31 CD	-0.00
ARG A 31 NE	-0.03
ARG A 31 CZ	-0.04
ARG A 31 NH1	-0.03
ARG A 31 NH2	-0.05

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Van der Waal's Interactions:
ARG A 31 NH2 241	MET A 32 CE 249	-0.011	INTRA-CHAIN
ARG A 31 NH2 241	MET A 57 CE 380	-0.325	INTRA-CHAIN
ARG A 31 NH2 241	ARG A 61 NH2 415	-0.074	INTRA-CHAIN
ARG A 31 NH2 241	PHE A 79 CZ 558	-0.010	INTRA-CHAIN
ARG A 31 NH2 241	ILE A 82 CD1 580	-0.010	INTRA-CHAIN
ARG A 31 NH2 241	ILE A 83 CD1 588	-0.096	INTRA-CHAIN
ILE B 17 CD1 846	ARG A 31 NH2 241	-0.063	INTER-CHAIN