Structural features of residue 161 in chain B
D1	HIS B 161 ND1	-1.439	INTER-CHAIN
ASP A 127 OD2	HIS B 161 ND1	-1.399	INTER-CHAIN
ARG A 128 NH1	HIS B 161 NE2	2.244	INTER-CHAIN
ARG A 128 NH2	HIS B 161 NE2	2.287	INTER-CHAIN
ARG A 132 NH1	HIS B 161 NE2	4.543	INTER-CHAIN
ARG A 132 NH2	HIS B 161 NE2	4.729	INTER-CHAIN
ASP B 158 OD1	HIS B 161 ND1	-2.133	INTRA-CHAIN
ASP B 158 OD2	HIS B 161 ND1	-1.880	INTRA-CHAIN
HIS B 161 ND1	ASP A 127 OD1	-1.439	INTER-CHAIN
HIS B 161 ND1	ARG A 128 NH1	2.593	INTER-CHAIN
HIS B 161 ND1	ARG A 132 NH1	6.373	INTER-CHAIN
HIS B 161 ND1	ASP B 158 OD1	-2.133	INTRA-CHAIN
HIS B 161 NE2	ARG A 128 NH1	2.244	INTER-CHAIN
HIS B 161 NE2	ARG A 132 NH1	4.543	INTER-CHAIN
HIS B 161 NE2	ASP B 158 OD1	-2.379	INTRA-CHAIN

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Hydrogen bonds:

----------------------------------------------------------
|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
----------------------------------------------------------
|        R|      132|      A|         H|      161|      B|
----------------------------------------------------------

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Protrusion Index:
HIS B 161 N	0.75
HIS B 161 CA	0.89
HIS B 161 C	0.81
HIS B 161 O	0.89
HIS B 161 CB	1.04
HIS B 161 CG	1.19
HIS B 161 ND1	1.19
HIS B 161 CD2	1.48
HIS B 161 CE1	1.34
HIS B 161 NE2	1.45

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Salt bridges:
ASP B 158	HIS B 161	3.139	INTRA-CHAIN

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Van der Waal's Interactions:
ARG A 132 NH2 1064	HIS B 161 NE2 2596	-0.010	INTER-CHAIN