Structural features of residue 256 in chain A

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Electrostatic Interactions:
ARG A 249 NH1	HIS A 256 NE2	2.548	INTRA-CHAIN
ARG A 249 NH2	HIS A 256 NE2	2.159	INTRA-CHAIN
ARG A 250 NH1	HIS A 256 NE2	2.560	INTRA-CHAIN
ARG A 250 NH2	HIS A 256 NE2	2.174	INTRA-CHAIN
ARG A 252 NH1	HIS A 256 NE2	2.819	INTRA-CHAIN
ARG A 252 NH2	HIS A 256 NE2	2.463	INTRA-CHAIN
HIS A 256 ND1	ARG B 96 NH1	2.766	INTER-CHAIN
HIS A 256 ND1	ARG A 249 NH1	2.512	INTRA-CHAIN
HIS A 256 ND1	ARG A 250 NH1	2.511	INTRA-CHAIN
HIS A 256 ND1	ARG A 252 NH1	3.220	INTRA-CHAIN
HIS A 256 NE2	ARG B 96 NH1	3.042	INTER-CHAIN
HIS A 256 NE2	ARG A 249 NH1	2.548	INTRA-CHAIN
HIS A 256 NE2	ARG A 250 NH1	2.560	INTRA-CHAIN
HIS A 256 NE2	ARG A 252 NH1	2.819	INTRA-CHAIN
ARG B 96 NH1	HIS A 256 NE2	3.042	INTER-CHAIN
ARG B 96 NH2	HIS A 256 NE2	2.656	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|       91|      B|         H|      256|      A|
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Protrusion Index:
HIS A 256 N	0.14
HIS A 256 CA	0.21
HIS A 256 C	0.26
HIS A 256 O	0.18
HIS A 256 CB	0.34
HIS A 256 CG	0.60
HIS A 256 ND1	0.65
HIS A 256 CD2	0.75
HIS A 256 CE1	0.80
HIS A 256 NE2	0.81