Structural features of residue 51 in chain A

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Electrostatic Interactions:
ASP A 49 OD1	HIS A 51 ND1	-1.909	INTRA-CHAIN
ASP A 49 OD2	HIS A 51 ND1	-2.096	INTRA-CHAIN
HIS A 51 ND1	ASP B 49 OD1	-1.582	INTER-CHAIN
HIS A 51 ND1	ASP A 49 OD1	-1.909	INTRA-CHAIN
HIS A 51 ND1	ARG A 60 NH1	2.478	INTRA-CHAIN
HIS A 51 ND1	ARG B 76 NH1	10.145	INTER-CHAIN
HIS A 51 ND1	ARG A 76 NH1	3.252	INTRA-CHAIN
HIS A 51 ND1	ASP A 84 OD1	-1.350	INTRA-CHAIN
HIS A 51 ND1	HIS A 120 ND1	0.669	INTRA-CHAIN
HIS A 51 ND1	HIS A 120 NE2	1.511	INTRA-CHAIN
HIS A 51 NE2	ARG B 24 NH1	2.185	INTER-CHAIN
HIS A 51 NE2	ASP B 49 OD1	-1.408	INTER-CHAIN
HIS A 51 NE2	ASP A 49 OD1	-1.661	INTRA-CHAIN
HIS A 51 NE2	ARG A 60 NH1	2.607	INTRA-CHAIN
HIS A 51 NE2	ARG B 76 NH1	6.277	INTER-CHAIN
HIS A 51 NE2	ARG A 76 NH1	3.236	INTRA-CHAIN
HIS A 51 NE2	ASP A 84 OD1	-1.433	INTRA-CHAIN
HIS A 51 NE2	HIS A 120 ND1	0.689	INTRA-CHAIN
HIS A 51 NE2	HIS A 120 NE2	1.575	INTRA-CHAIN
ARG A 60 NH1	HIS A 51 NE2	2.607	INTRA-CHAIN
ARG A 60 NH2	HIS A 51 NE2	2.506	INTRA-CHAIN
ARG A 76 NH1	HIS A 51 NE2	3.236	INTRA-CHAIN
ARG A 76 NH2	HIS A 51 NE2	3.461	INTRA-CHAIN
ASP A 84 OD1	HIS A 51 ND1	-1.350	INTRA-CHAIN
HIS A 120 ND1	HIS A 51 ND1	0.669	INTRA-CHAIN
HIS A 120 ND1	HIS A 51 NE2	1.550	INTRA-CHAIN
HIS A 120 NE2	HIS A 51 ND1	0.672	INTRA-CHAIN
HIS A 120 NE2	HIS A 51 NE2	1.575	INTRA-CHAIN
ARG B 24 NH1	HIS A 51 NE2	2.185	INTER-CHAIN
ARG B 24 NH2	HIS A 51 NE2	2.444	INTER-CHAIN
ASP B 49 OD1	HIS A 51 ND1	-1.582	INTER-CHAIN
ASP B 49 OD2	HIS A 51 ND1	-1.681	INTER-CHAIN
ARG B 76 NH1	HIS A 51 NE2	6.277	INTER-CHAIN
ARG B 76 NH2	HIS A 51 NE2	6.156	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|       76|      B|         H|       51|      A|
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Protrusion Index:
HIS A 51 N	0.16
HIS A 51 CA	0.09
HIS A 51 C	0.19
HIS A 51 O	0.21
HIS A 51 CB	0.11
HIS A 51 CG	0.07
HIS A 51 ND1	0.04
HIS A 51 CD2	0.06
HIS A 51 CE1	0.03
HIS A 51 NE2	0.08

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Salt bridges:
HIS A 51	ARG B 76	3.122	INTER-CHAIN

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Van der Waal's Interactions:
HIS A 51 NE2 422	SER A 52 OG 428	-0.010	INTRA-CHAIN
HIS A 51 NE2 422	ARG B 76 NH2 2098	-0.048	INTER-CHAIN
HIS A 51 NE2 422	ALA A 78 CB 633	-0.019	INTRA-CHAIN
HIS A 51 NE2 422	ALA B 78 CB 2109	-0.021	INTER-CHAIN
HIS A 51 NE2 422	VAL A 79 CG2 640	-0.015	INTRA-CHAIN
HIS A 51 NE2 422	LYS B 109 NZ 2348	-0.010	INTER-CHAIN
HIS A 51 NE2 422	GLU A 130 OE2 1046	-0.072	INTRA-CHAIN
HIS A 51 NE2 422	LEU A 132 CD2 1065	-0.175	INTRA-CHAIN
PHE B 28 CZ 1702	HIS A 51 NE2 422	-0.067	INTER-CHAIN