Structural features of residue 18 in chain A

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Electrostatic Interactions:
HIS A 18 ND1	ARG A 19 NH1	2.856	INTRA-CHAIN
HIS A 18 ND1	ASP A 22 OD1	-3.159	INTRA-CHAIN
HIS A 18 ND1	ARG A 25 NH1	3.724	INTRA-CHAIN
HIS A 18 ND1	ASP A 26 OD1	-3.502	INTRA-CHAIN
HIS A 18 ND1	ASP A 119 OD1	-1.431	INTRA-CHAIN
HIS A 18 ND1	ASP A 121 OD1	-1.872	INTRA-CHAIN
HIS A 18 ND1	ARG B 426 NH1	2.557	INTER-CHAIN
HIS A 18 NE2	ARG A 19 NH1	2.969	INTRA-CHAIN
HIS A 18 NE2	ASP A 22 OD1	-3.551	INTRA-CHAIN
HIS A 18 NE2	ARG A 25 NH1	4.287	INTRA-CHAIN
HIS A 18 NE2	ASP A 26 OD1	-3.067	INTRA-CHAIN
HIS A 18 NE2	ASP A 119 OD1	-1.462	INTRA-CHAIN
HIS A 18 NE2	ASP A 121 OD1	-1.944	INTRA-CHAIN
HIS A 18 NE2	ARG B 426 NH1	2.232	INTER-CHAIN
ARG A 19 NH1	HIS A 18 NE2	2.969	INTRA-CHAIN
ARG A 19 NH2	HIS A 18 NE2	2.986	INTRA-CHAIN
ASP A 22 OD1	HIS A 18 ND1	-3.159	INTRA-CHAIN
ASP A 22 OD2	HIS A 18 ND1	-3.766	INTRA-CHAIN
ARG A 25 NH1	HIS A 18 NE2	4.287	INTRA-CHAIN
ARG A 25 NH2	HIS A 18 NE2	4.368	INTRA-CHAIN
ASP A 26 OD1	HIS A 18 ND1	-3.502	INTRA-CHAIN
ASP A 26 OD2	HIS A 18 ND1	-3.021	INTRA-CHAIN
ASP A 119 OD1	HIS A 18 ND1	-1.431	INTRA-CHAIN
ASP A 120 OD2	HIS A 18 ND1	-1.512	INTRA-CHAIN
ASP A 121 OD1	HIS A 18 ND1	-1.872	INTRA-CHAIN
ASP A 121 OD2	HIS A 18 ND1	-1.693	INTRA-CHAIN
ASP B 288 OD2	HIS A 18 ND1	-1.372	INTER-CHAIN
ARG B 426 NH1	HIS A 18 NE2	2.232	INTER-CHAIN
ARG B 426 NH2	HIS A 18 NE2	2.526	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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|        N|      147|      B|         H|       18|      A|
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Protrusion Index:
HIS A 18 N	0.80
HIS A 18 CA	0.68
HIS A 18 C	0.46
HIS A 18 O	0.52
HIS A 18 CB	0.62
HIS A 18 CG	0.71
HIS A 18 ND1	0.84
HIS A 18 CD2	0.93
HIS A 18 CE1	0.89
HIS A 18 NE2	1.00

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Van der Waal's Interactions:
LYS A 15 NZ 45	HIS A 18 NE2 69	-0.068	INTRA-CHAIN
PRO A 17 CD 59	HIS A 18 NE2 69	-0.023	INTRA-CHAIN
HIS A 18 NE2 69	ASP A 22 OD2 104	-0.070	INTRA-CHAIN