Structural features of residue 456 in chain A

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Electrostatic Interactions:
ASP A 452 OD1	HIS A 456 ND1	-6.023	INTRA-CHAIN
ASP A 452 OD2	HIS A 456 ND1	-5.025	INTRA-CHAIN
HIS A 456 ND1	ASP B 452 OD1	-3.681	INTER-CHAIN
HIS A 456 ND1	ASP A 452 OD1	-6.023	INTRA-CHAIN
HIS A 456 ND1	ASP A 460 OD1	-1.430	INTRA-CHAIN
HIS A 456 ND1	ARG B 487 NH1	3.014	INTER-CHAIN
HIS A 456 ND1	ARG A 487 NH1	4.086	INTRA-CHAIN
HIS A 456 NE2	ASP B 452 OD1	-5.316	INTER-CHAIN
HIS A 456 NE2	ASP A 452 OD1	-4.329	INTRA-CHAIN
HIS A 456 NE2	ASP A 460 OD1	-1.428	INTRA-CHAIN
HIS A 456 NE2	ARG B 487 NH1	3.376	INTER-CHAIN
HIS A 456 NE2	ARG A 487 NH1	3.874	INTRA-CHAIN
ASP A 460 OD1	HIS A 456 ND1	-1.430	INTRA-CHAIN
ASP A 460 OD2	HIS A 456 ND1	-1.655	INTRA-CHAIN
ARG A 487 NH1	HIS A 456 NE2	3.874	INTRA-CHAIN
ARG A 487 NH2	HIS A 456 NE2	3.428	INTRA-CHAIN
ASP B 452 OD1	HIS A 456 ND1	-3.681	INTER-CHAIN
ASP B 452 OD2	HIS A 456 ND1	-3.008	INTER-CHAIN
ASP B 460 OD2	HIS A 456 ND1	-1.352	INTER-CHAIN
ARG B 487 NH1	HIS A 456 NE2	3.376	INTER-CHAIN
ARG B 487 NH2	HIS A 456 NE2	3.110	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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|        Y|      420|      B|         H|      456|      A|
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Protrusion Index:
HIS A 456 N	0.23
HIS A 456 CA	0.25
HIS A 456 C	0.24
HIS A 456 O	0.23
HIS A 456 CB	0.24
HIS A 456 CG	0.29
HIS A 456 ND1	0.33
HIS A 456 CD2	0.32
HIS A 456 CE1	0.50
HIS A 456 NE2	0.43

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Salt bridges:
ASP A 452	HIS A 456	2.860	INTRA-CHAIN

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Van der Waal's Interactions:
ASP A 452 OD2 1759	HIS A 456 NE2 1795	-0.094	INTRA-CHAIN
SER A 455 OG 1785	HIS A 456 NE2 1795	-0.009	INTRA-CHAIN
TYR B 421 OH 4059	HIS A 456 NE2 1795	-0.216	INTER-CHAIN
ASP B 452 OD2 4309	HIS A 456 NE2 1795	-0.034	INTER-CHAIN