Structural features of residue 257 in chain A

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Electrostatic Interactions:
ARG A 137 NH1	HIS A 257 NE2	2.840	INTRA-CHAIN
ARG A 137 NH2	HIS A 257 NE2	3.400	INTRA-CHAIN
ASP A 158 OD1	HIS A 257 ND1	-1.582	INTRA-CHAIN
ASP A 158 OD2	HIS A 257 ND1	-1.519	INTRA-CHAIN
ASP A 173 OD1	HIS A 257 ND1	-1.475	INTRA-CHAIN
ASP A 173 OD2	HIS A 257 ND1	-1.582	INTRA-CHAIN
ARG A 251 NH1	HIS A 257 NE2	2.955	INTRA-CHAIN
ARG A 251 NH2	HIS A 257 NE2	2.461	INTRA-CHAIN
HIS A 257 ND1	ARG A 137 NH1	2.939	INTRA-CHAIN
HIS A 257 ND1	ASP A 158 OD1	-1.582	INTRA-CHAIN
HIS A 257 ND1	ASP A 173 OD1	-1.475	INTRA-CHAIN
HIS A 257 ND1	ASP B 177 OD1	-3.892	INTER-CHAIN
HIS A 257 ND1	ARG A 251 NH1	2.518	INTRA-CHAIN
HIS A 257 ND1	ASP A 267 OD1	-1.497	INTRA-CHAIN
HIS A 257 NE2	ARG A 137 NH1	2.840	INTRA-CHAIN
HIS A 257 NE2	ASP A 158 OD1	-1.574	INTRA-CHAIN
HIS A 257 NE2	ASP A 173 OD1	-1.471	INTRA-CHAIN
HIS A 257 NE2	ASP B 177 OD1	-3.015	INTER-CHAIN
HIS A 257 NE2	ARG A 251 NH1	2.955	INTRA-CHAIN
HIS A 257 NE2	ASP A 267 OD1	-1.344	INTRA-CHAIN
ASP A 267 OD1	HIS A 257 ND1	-1.497	INTRA-CHAIN
ASP A 267 OD2	HIS A 257 ND1	-1.712	INTRA-CHAIN
ASP B 177 OD1	HIS A 257 ND1	-3.892	INTER-CHAIN
ASP B 177 OD2	HIS A 257 ND1	-3.100	INTER-CHAIN

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Protrusion Index:
HIS A 257 N	-0.29
HIS A 257 CA	-0.32
HIS A 257 C	-0.32
HIS A 257 O	-0.33
HIS A 257 CB	-0.36
HIS A 257 CG	-0.32
HIS A 257 ND1	-0.32
HIS A 257 CD2	-0.26
HIS A 257 CE1	-0.29
HIS A 257 NE2	-0.23
HIS A 257 H	-0.29
HIS A 257 HA	-0.32
HIS A 257 HB2	-0.39
HIS A 257 HB3	-0.37
HIS A 257 HD1	-0.35
HIS A 257 HD2	-0.24
HIS A 257 HE1	-0.29

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Salt bridges:
GLU A 256	HIS A 257	2.252	INTRA-CHAIN

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Van der Waal's Interactions:
ARG A 137 HH22 2182	HIS A 257 HE1 4065	-0.000	INTRA-CHAIN
THR A 255 HG23 4027	HIS A 257 HE1 4065	-0.000	INTRA-CHAIN
HIS A 257 HE1 4065	LYS A 258 HZ3 4087	-0.000	INTRA-CHAIN
TYR B 32 HH 4894	HIS A 257 HE1 4065	-0.000	INTER-CHAIN
LEU B 153 HD23 6755	HIS A 257 HE1 4065	-0.000	INTER-CHAIN
ASP B 177 HB3 7074	HIS A 257 HE1 4065	-0.000	INTER-CHAIN