Structural features of residue 81 in chain A

*********************************
Electrostatic Interactions:
HIS A 54 ND1	ARG A 81 NH1	2.394	INTRA-CHAIN
HIS A 54 NE2	ARG A 81 NH1	2.196	INTRA-CHAIN
ARG A 81 NH1	ARG B 4 NH1	3.286	INTER-CHAIN
ARG A 81 NH1	HIS A 54 NE2	2.196	INTRA-CHAIN
ARG A 81 NH1	HIS A 83 NE2	4.780	INTRA-CHAIN
ARG A 81 NH1	ARG A 95 NH1	5.553	INTRA-CHAIN
ARG A 81 NH1	ARG A 95 NH2	7.142	INTRA-CHAIN
ARG A 81 NH1	ARG A 140 NH1	4.372	INTRA-CHAIN
ARG A 81 NH1	ARG A 140 NH2	4.613	INTRA-CHAIN
ARG A 81 NH2	ARG B 4 NH1	3.262	INTER-CHAIN
ARG A 81 NH2	HIS A 83 NE2	3.732	INTRA-CHAIN
ARG A 81 NH2	ARG A 95 NH1	4.340	INTRA-CHAIN
ARG A 81 NH2	ARG A 95 NH2	5.223	INTRA-CHAIN
ARG A 81 NH2	ARG A 140 NH1	4.614	INTRA-CHAIN
ARG A 81 NH2	ARG A 140 NH2	5.161	INTRA-CHAIN
HIS A 83 ND1	ARG A 81 NH1	3.721	INTRA-CHAIN
HIS A 83 NE2	ARG A 81 NH1	4.780	INTRA-CHAIN
ARG A 95 NH1	ARG A 81 NH1	5.553	INTRA-CHAIN
ARG A 95 NH1	ARG A 81 NH2	4.340	INTRA-CHAIN
ARG A 95 NH2	ARG A 81 NH1	7.142	INTRA-CHAIN
ARG A 95 NH2	ARG A 81 NH2	5.223	INTRA-CHAIN
ARG A 140 NH1	ARG A 81 NH1	4.372	INTRA-CHAIN
ARG A 140 NH1	ARG A 81 NH2	4.614	INTRA-CHAIN
ARG A 140 NH2	ARG A 81 NH1	4.613	INTRA-CHAIN
ARG A 140 NH2	ARG A 81 NH2	5.161	INTRA-CHAIN
ARG B 4 NH1	ARG A 81 NH1	3.286	INTER-CHAIN
ARG B 4 NH1	ARG A 81 NH2	3.262	INTER-CHAIN

*********************************
Protrusion Index:
ARG A 81 N	0.06
ARG A 81 CA	0.16
ARG A 81 C	0.04
ARG A 81 O	0.07
ARG A 81 CB	0.31
ARG A 81 CG	0.46
ARG A 81 CD	0.60
ARG A 81 NE	0.77
ARG A 81 CZ	1.08
ARG A 81 NH1	1.19
ARG A 81 NH2	1.40

*********************************
Salt bridges:
GLU A 79	ARG A 81	2.814	INTRA-CHAIN

*********************************
Van der Waal's Interactions:
GLU A 79 OE2 609	ARG A 81 NH2 625	-0.125	INTRA-CHAIN
ARG A 81 NH2 625	GLU A 97 OE2 751	-0.024	INTRA-CHAIN
ARG A 81 NH2 625	LEU A 99 CD2 767	-0.239	INTRA-CHAIN
LYS B 5 NZ 1122	ARG A 81 NH2 625	-0.014	INTER-CHAIN