Structural features of residue 31 in chain A

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Electrostatic Interactions:
ARG A 29 NH2	ARG A 31 NH1	2.994	INTRA-CHAIN
ARG A 29 NH2	ARG A 31 NH2	3.084	INTRA-CHAIN
ARG A 31 NH1	ARG A 29 NH2	2.994	INTRA-CHAIN
ARG A 31 NH1	ARG B 85 NH1	4.114	INTER-CHAIN
ARG A 31 NH1	ARG B 85 NH2	4.367	INTER-CHAIN
ARG A 31 NH1	ARG A 92 NH1	3.161	INTRA-CHAIN
ARG A 31 NH1	ARG A 92 NH2	3.738	INTRA-CHAIN
ARG A 31 NH1	HIS B 120 NE2	2.944	INTER-CHAIN
ARG A 31 NH1	ARG A 130 NH1	3.108	INTRA-CHAIN
ARG A 31 NH1	ARG A 130 NH2	3.577	INTRA-CHAIN
ARG A 31 NH1	HIS B 146 NE2	2.889	INTER-CHAIN
ARG A 31 NH1	HIS A 152 NE2	6.684	INTRA-CHAIN
ARG A 31 NH2	ARG A 29 NH2	3.084	INTRA-CHAIN
ARG A 31 NH2	ARG B 85 NH1	4.264	INTER-CHAIN
ARG A 31 NH2	ARG B 85 NH2	4.386	INTER-CHAIN
ARG A 31 NH2	ARG A 92 NH1	3.298	INTRA-CHAIN
ARG A 31 NH2	ARG A 92 NH2	3.875	INTRA-CHAIN
ARG A 31 NH2	HIS B 120 NE2	2.525	INTER-CHAIN
ARG A 31 NH2	ARG A 130 NH1	3.345	INTRA-CHAIN
ARG A 31 NH2	ARG A 130 NH2	3.855	INTRA-CHAIN
ARG A 31 NH2	HIS B 146 NE2	3.357	INTER-CHAIN
ARG A 31 NH2	HIS A 152 NE2	8.138	INTRA-CHAIN
ARG A 92 NH1	ARG A 31 NH1	3.161	INTRA-CHAIN
ARG A 92 NH1	ARG A 31 NH2	3.298	INTRA-CHAIN
ARG A 92 NH2	ARG A 31 NH1	3.738	INTRA-CHAIN
ARG A 92 NH2	ARG A 31 NH2	3.875	INTRA-CHAIN
ARG A 130 NH1	ARG A 31 NH1	3.108	INTRA-CHAIN
ARG A 130 NH1	ARG A 31 NH2	3.345	INTRA-CHAIN
ARG A 130 NH2	ARG A 31 NH1	3.577	INTRA-CHAIN
ARG A 130 NH2	ARG A 31 NH2	3.855	INTRA-CHAIN
HIS A 152 ND1	ARG A 31 NH1	5.593	INTRA-CHAIN
HIS A 152 NE2	ARG A 31 NH1	6.684	INTRA-CHAIN
ARG B 85 NH1	ARG A 31 NH1	4.114	INTER-CHAIN
ARG B 85 NH1	ARG A 31 NH2	4.264	INTER-CHAIN
ARG B 85 NH2	ARG A 31 NH1	4.367	INTER-CHAIN
ARG B 85 NH2	ARG A 31 NH2	4.386	INTER-CHAIN
HIS B 120 ND1	ARG A 31 NH1	3.525	INTER-CHAIN
HIS B 120 NE2	ARG A 31 NH1	2.944	INTER-CHAIN
HIS B 146 ND1	ARG A 31 NH1	2.796	INTER-CHAIN
HIS B 146 NE2	ARG A 31 NH1	2.889	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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|        Q|       81|      B|         R|       31|      A|
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Protrusion Index:
ARG A 31 N	0.64
ARG A 31 CA	0.60
ARG A 31 C	0.51
ARG A 31 O	0.60
ARG A 31 CB	0.51
ARG A 31 CG	0.68
ARG A 31 CD	0.97
ARG A 31 NE	1.02
ARG A 31 CZ	1.13
ARG A 31 NH1	1.40
ARG A 31 NH2	1.42

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Van der Waal's Interactions:
ARG A 31 NH2 223	HIS A 152 NE2 1196	-0.251	INTRA-CHAIN