Structural features of residue 168 in chain H

*********************************
Electrostatic Interactions:
HIS H 168 ND1	ARG L 108 NH1	2.656	INTER-CHAIN
HIS H 168 ND1	ASP L 165 OD1	-1.794	INTER-CHAIN
HIS H 168 ND1	ASP L 170 OD1	-2.558	INTER-CHAIN
HIS H 168 ND1	HIS L 198 ND1	0.706	INTER-CHAIN
HIS H 168 ND1	HIS L 198 NE2	1.622	INTER-CHAIN
HIS H 168 NE2	ARG L 108 NH1	3.060	INTER-CHAIN
HIS H 168 NE2	ASP L 165 OD1	-2.043	INTER-CHAIN
HIS H 168 NE2	ASP L 170 OD1	-3.386	INTER-CHAIN
HIS H 168 NE2	HIS L 198 ND1	0.725	INTER-CHAIN
HIS H 168 NE2	HIS L 198 NE2	1.687	INTER-CHAIN
ARG L 108 NH1	HIS H 168 NE2	3.060	INTER-CHAIN
ARG L 108 NH2	HIS H 168 NE2	2.761	INTER-CHAIN
ASP L 165 OD1	HIS H 168 ND1	-1.794	INTER-CHAIN
ASP L 165 OD2	HIS H 168 ND1	-1.618	INTER-CHAIN
ASP L 170 OD1	HIS H 168 ND1	-2.558	INTER-CHAIN
ASP L 170 OD2	HIS H 168 ND1	-2.558	INTER-CHAIN
HIS L 198 ND1	HIS H 168 ND1	0.706	INTER-CHAIN
HIS L 198 ND1	HIS H 168 NE2	1.632	INTER-CHAIN
HIS L 198 NE2	HIS H 168 ND1	0.721	INTER-CHAIN
HIS L 198 NE2	HIS H 168 NE2	1.687	INTER-CHAIN

*********************************
Hydrogen bonds:

----------------------------------------------------------
|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
----------------------------------------------------------
|        S|      174|      L|         H|      168|      H|
----------------------------------------------------------

*********************************
Protrusion Index:
HIS H 168 N	0.20
HIS H 168 CA	0.17
HIS H 168 C	0.16
HIS H 168 O	0.09
HIS H 168 CB	0.12
HIS H 168 CG	0.13
HIS H 168 ND1	0.11
HIS H 168 CD2	0.09
HIS H 168 CE1	0.14
HIS H 168 NE2	0.13

*********************************
Van der Waal's Interactions:
GLY H 166 O 2919	HIS H 168 NE2 2936	-0.020	INTRA-CHAIN
HIS H 168 NE2 2936	PHE H 170 CZ 2954	-0.014	INTRA-CHAIN
HIS H 168 NE2 2936	ASP L 170 OD2 1312	-0.015	INTER-CHAIN
ASN L 137 ND2 1037	HIS H 168 NE2 2936	-0.056	INTER-CHAIN
THR L 164 CG2 1264	HIS H 168 NE2 2936	-0.027	INTER-CHAIN