Structural features of residue 168 in chain H

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Electrostatic Interactions:
HIS H 168 ND1	ARG L 108 NH1	2.639	INTER-CHAIN
HIS H 168 ND1	ASP L 165 OD1	-1.541	INTER-CHAIN
HIS H 168 ND1	ASP L 170 OD1	-2.550	INTER-CHAIN
HIS H 168 ND1	HIS L 198 ND1	0.716	INTER-CHAIN
HIS H 168 ND1	HIS L 198 NE2	1.620	INTER-CHAIN
HIS H 168 NE2	ARG L 108 NH1	3.083	INTER-CHAIN
HIS H 168 NE2	ASP L 165 OD1	-1.674	INTER-CHAIN
HIS H 168 NE2	ASP L 170 OD1	-3.427	INTER-CHAIN
HIS H 168 NE2	HIS L 198 ND1	0.741	INTER-CHAIN
HIS H 168 NE2	HIS L 198 NE2	1.704	INTER-CHAIN
ARG L 108 NH1	HIS H 168 NE2	3.083	INTER-CHAIN
ARG L 108 NH2	HIS H 168 NE2	2.743	INTER-CHAIN
ASP L 165 OD1	HIS H 168 ND1	-1.541	INTER-CHAIN
ASP L 165 OD2	HIS H 168 ND1	-1.544	INTER-CHAIN
ASP L 170 OD1	HIS H 168 ND1	-2.550	INTER-CHAIN
ASP L 170 OD2	HIS H 168 ND1	-2.588	INTER-CHAIN
HIS L 198 ND1	HIS H 168 ND1	0.716	INTER-CHAIN
HIS L 198 ND1	HIS H 168 NE2	1.668	INTER-CHAIN
HIS L 198 NE2	HIS H 168 ND1	0.720	INTER-CHAIN
HIS L 198 NE2	HIS H 168 NE2	1.704	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|      137|      L|         H|      168|      H|
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|        S|      174|      L|         H|      168|      H|
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Protrusion Index:
HIS H 168 N	0.18
HIS H 168 CA	0.18
HIS H 168 C	0.15
HIS H 168 O	0.10
HIS H 168 CB	0.10
HIS H 168 CG	0.09
HIS H 168 ND1	0.10
HIS H 168 CD2	0.09
HIS H 168 CE1	0.09
HIS H 168 NE2	0.10

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Van der Waal's Interactions:
GLY H 166 O 2919	HIS H 168 NE2 2936	-0.026	INTRA-CHAIN
HIS H 168 NE2 2936	PHE H 170 CZ 2954	-0.015	INTRA-CHAIN
HIS H 168 NE2 2936	ASP L 170 OD2 1312	-0.020	INTER-CHAIN
ASN L 137 ND2 1037	HIS H 168 NE2 2936	-0.041	INTER-CHAIN
THR L 164 CG2 1264	HIS H 168 NE2 2936	-0.026	INTER-CHAIN