Structural features of residue 281 in chain A

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Electrostatic Interactions:
HIS A 61 NE2	HIS A 281 ND1	0.676	INTRA-CHAIN
HIS A 61 NE2	HIS A 281 NE2	1.647	INTRA-CHAIN
HIS A 63 ND1	HIS A 281 NE2	1.649	INTRA-CHAIN
HIS A 63 NE2	HIS A 281 ND1	0.695	INTRA-CHAIN
HIS A 63 NE2	HIS A 281 NE2	1.748	INTRA-CHAIN
ARG A 87 NH1	HIS A 281 NE2	2.251	INTRA-CHAIN
ARG A 87 NH2	HIS A 281 NE2	2.296	INTRA-CHAIN
HIS A 185 NE2	HIS A 281 NE2	1.518	INTRA-CHAIN
HIS A 214 NE2	HIS A 281 NE2	1.605	INTRA-CHAIN
ASP A 219 OD1	HIS A 281 ND1	-1.774	INTRA-CHAIN
ASP A 219 OD2	HIS A 281 ND1	-1.623	INTRA-CHAIN
HIS A 246 ND1	HIS A 281 ND1	0.818	INTRA-CHAIN
HIS A 246 ND1	HIS A 281 NE2	1.905	INTRA-CHAIN
HIS A 246 NE2	HIS A 281 ND1	0.800	INTRA-CHAIN
HIS A 246 NE2	HIS A 281 NE2	1.918	INTRA-CHAIN
HIS A 281 ND1	HIS A 61 NE2	1.522	INTRA-CHAIN
HIS A 281 ND1	HIS A 63 NE2	1.563	INTRA-CHAIN
HIS A 281 ND1	ASP A 219 OD1	-1.774	INTRA-CHAIN
HIS A 281 ND1	HIS A 246 ND1	0.818	INTRA-CHAIN
HIS A 281 ND1	HIS A 246 NE2	1.799	INTRA-CHAIN
HIS A 281 ND1	ARG A 285 NH1	6.131	INTRA-CHAIN
HIS A 281 ND1	ASP A 287 OD1	-1.360	INTRA-CHAIN
HIS A 281 ND1	HIS A 312 ND1	0.749	INTRA-CHAIN
HIS A 281 ND1	HIS A 312 NE2	1.955	INTRA-CHAIN
HIS A 281 ND1	ASP A 313 OD1	-1.912	INTRA-CHAIN
HIS A 281 ND1	ASP A 314 OD1	-1.880	INTRA-CHAIN
HIS A 281 ND1	ASP A 317 OD1	-1.764	INTRA-CHAIN
HIS A 281 ND1	HIS D 332 ND1	0.866	INTER-CHAIN
HIS A 281 ND1	HIS D 332 NE2	2.044	INTER-CHAIN
HIS A 281 NE2	HIS A 61 NE2	1.647	INTRA-CHAIN
HIS A 281 NE2	HIS A 63 ND1	0.733	INTRA-CHAIN
HIS A 281 NE2	HIS A 63 NE2	1.748	INTRA-CHAIN
HIS A 281 NE2	ARG A 87 NH1	2.251	INTRA-CHAIN
HIS A 281 NE2	HIS A 185 NE2	1.518	INTRA-CHAIN
HIS A 281 NE2	HIS A 214 NE2	1.605	INTRA-CHAIN
HIS A 281 NE2	ASP A 219 OD1	-1.641	INTRA-CHAIN
HIS A 281 NE2	HIS A 246 ND1	0.847	INTRA-CHAIN
HIS A 281 NE2	HIS A 246 NE2	1.918	INTRA-CHAIN
HIS A 281 NE2	ARG A 285 NH1	4.996	INTRA-CHAIN
HIS A 281 NE2	HIS A 312 ND1	0.791	INTRA-CHAIN
HIS A 281 NE2	HIS A 312 NE2	2.102	INTRA-CHAIN
HIS A 281 NE2	ASP A 313 OD1	-2.119	INTRA-CHAIN
HIS A 281 NE2	ASP A 314 OD1	-2.274	INTRA-CHAIN
HIS A 281 NE2	ASP A 317 OD1	-2.141	INTRA-CHAIN
HIS A 281 NE2	HIS D 332 ND1	0.807	INTER-CHAIN
HIS A 281 NE2	HIS D 332 NE2	1.957	INTER-CHAIN
ARG A 285 NH1	HIS A 281 NE2	4.996	INTRA-CHAIN
ARG A 285 NH2	HIS A 281 NE2	7.080	INTRA-CHAIN
ASP A 287 OD1	HIS A 281 ND1	-1.360	INTRA-CHAIN
ASP A 287 OD2	HIS A 281 ND1	-1.480	INTRA-CHAIN
HIS A 312 ND1	HIS A 281 ND1	0.749	INTRA-CHAIN
HIS A 312 ND1	HIS A 281 NE2	1.781	INTRA-CHAIN
HIS A 312 NE2	HIS A 281 ND1	0.869	INTRA-CHAIN
HIS A 312 NE2	HIS A 281 NE2	2.102	INTRA-CHAIN
ASP A 313 OD1	HIS A 281 ND1	-1.912	INTRA-CHAIN
ASP A 313 OD2	HIS A 281 ND1	-1.656	INTRA-CHAIN
ASP A 314 OD1	HIS A 281 ND1	-1.880	INTRA-CHAIN
ASP A 314 OD2	HIS A 281 ND1	-2.111	INTRA-CHAIN
ASP A 317 OD1	HIS A 281 ND1	-1.764	INTRA-CHAIN
ASP A 317 OD2	HIS A 281 ND1	-2.119	INTRA-CHAIN
HIS D 332 ND1	HIS A 281 ND1	0.866	INTER-CHAIN
HIS D 332 ND1	HIS A 281 NE2	1.817	INTER-CHAIN
HIS D 332 NE2	HIS A 281 ND1	0.908	INTER-CHAIN
HIS D 332 NE2	HIS A 281 NE2	1.957	INTER-CHAIN
ARG D 389 NH2	HIS A 281 NE2	2.149	INTER-CHAIN
ARG D 426 NH2	HIS A 281 NE2	2.164	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|      339|      D|         H|      281|      A|
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Protrusion Index:
HIS A 281 N	0.03
HIS A 281 CA	0.03
HIS A 281 C	0.04
HIS A 281 O	0.09
HIS A 281 CB	-0.03
HIS A 281 CG	-0.01
HIS A 281 ND1	-0.00
HIS A 281 CD2	-0.03
HIS A 281 CE1	-0.01
HIS A 281 NE2	-0.04

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Van der Waal's Interactions:
GLY A 79 O 578	HIS A 281 NE2 2185	-0.396	INTRA-CHAIN
VAL A 278 CG2 2159	HIS A 281 NE2 2185	-0.013	INTRA-CHAIN
HIS A 281 NE2 2185	LEU A 282 CD2 2193	-0.498	INTRA-CHAIN
HIS A 281 NE2 2185	ARG A 285 NH2 2217	-0.110	INTRA-CHAIN
HIS A 281 NE2 2185	MET D 341 CE 2669	-0.069	INTER-CHAIN