Structural features of residue 257 in chain A

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Electrostatic Interactions:
ARG A 229 NH1	HIS A 257 NE2	2.283	INTRA-CHAIN
ARG A 229 NH2	HIS A 257 NE2	2.198	INTRA-CHAIN
ARG A 252 NH1	HIS A 257 NE2	2.693	INTRA-CHAIN
ARG A 252 NH2	HIS A 257 NE2	2.389	INTRA-CHAIN
ASP A 256 OD1	HIS A 257 ND1	-2.317	INTRA-CHAIN
ASP A 256 OD2	HIS A 257 ND1	-2.496	INTRA-CHAIN
HIS A 257 ND1	ARG B 155 NH1	2.643	INTER-CHAIN
HIS A 257 ND1	ARG B 161 NH1	2.187	INTER-CHAIN
HIS A 257 ND1	ASP B 176 OD1	-4.666	INTER-CHAIN
HIS A 257 ND1	ASP B 180 OD1	-4.720	INTER-CHAIN
HIS A 257 ND1	ARG A 229 NH1	2.333	INTRA-CHAIN
HIS A 257 ND1	ARG A 252 NH1	2.390	INTRA-CHAIN
HIS A 257 ND1	ASP A 256 OD1	-2.317	INTRA-CHAIN
HIS A 257 ND1	ARG A 260 NH1	5.140	INTRA-CHAIN
HIS A 257 NE2	ARG B 155 NH1	2.530	INTER-CHAIN
HIS A 257 NE2	ARG B 161 NH1	2.196	INTER-CHAIN
HIS A 257 NE2	ASP B 176 OD1	-3.946	INTER-CHAIN
HIS A 257 NE2	ASP B 180 OD1	-3.288	INTER-CHAIN
HIS A 257 NE2	ARG A 229 NH1	2.283	INTRA-CHAIN
HIS A 257 NE2	ARG A 252 NH1	2.693	INTRA-CHAIN
HIS A 257 NE2	ASP A 256 OD1	-2.614	INTRA-CHAIN
HIS A 257 NE2	ARG A 260 NH1	6.431	INTRA-CHAIN
ARG A 260 NH1	HIS A 257 NE2	6.431	INTRA-CHAIN
ARG A 260 NH2	HIS A 257 NE2	4.622	INTRA-CHAIN
ARG B 155 NH1	HIS A 257 NE2	2.530	INTER-CHAIN
ARG B 155 NH2	HIS A 257 NE2	2.653	INTER-CHAIN
ARG B 161 NH1	HIS A 257 NE2	2.196	INTER-CHAIN
ARG B 161 NH2	HIS A 257 NE2	2.263	INTER-CHAIN
ASP B 176 OD1	HIS A 257 ND1	-4.666	INTER-CHAIN
ASP B 176 OD2	HIS A 257 ND1	-4.049	INTER-CHAIN
ASP B 180 OD1	HIS A 257 ND1	-4.720	INTER-CHAIN
ASP B 180 OD2	HIS A 257 ND1	-3.429	INTER-CHAIN
ASP B 230 OD2	HIS A 257 ND1	-1.403	INTER-CHAIN

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Protrusion Index:
HIS A 257 N	0.41
HIS A 257 CA	0.37
HIS A 257 C	0.20
HIS A 257 O	0.20
HIS A 257 CB	0.39
HIS A 257 CG	0.50
HIS A 257 ND1	0.50
HIS A 257 CD2	0.64
HIS A 257 CE1	0.74
HIS A 257 NE2	0.77

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Salt bridges:
ASP A 256	HIS A 257	2.256	INTRA-CHAIN

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Van der Waal's Interactions:
VAL A 254 CG2 1920	HIS A 257 NE2 1950	-0.011	INTRA-CHAIN
ASP A 256 OD2 1940	HIS A 257 NE2 1950	-0.010	INTRA-CHAIN
HIS A 257 NE2 1950	ARG A 260 NH2 1973	-0.009	INTRA-CHAIN
TYR B 172 OH 1252	HIS A 257 NE2 1950	-0.008	INTER-CHAIN
ASP B 176 OD2 1283	HIS A 257 NE2 1950	-0.015	INTER-CHAIN