Structural features of residue 81 in chain A

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Electrostatic Interactions:
HIS A 75 ND1	ASP A 81 OD1	-1.521	INTRA-CHAIN
HIS A 75 NE2	ASP A 81 OD1	-1.376	INTRA-CHAIN
ASP A 81 OD1	HIS A 75 ND1	-1.521	INTRA-CHAIN
ASP A 81 OD1	HIS A 89 ND1	-1.428	INTRA-CHAIN
ASP A 81 OD2	HIS A 75 ND1	-1.571	INTRA-CHAIN
ASP A 81 OD2	HIS A 89 ND1	-1.484	INTRA-CHAIN
HIS A 89 ND1	ASP A 81 OD1	-1.428	INTRA-CHAIN
HIS A 89 NE2	ASP A 81 OD1	-1.673	INTRA-CHAIN

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Protrusion Index:
ASP A 81 N	0.56
ASP A 81 CA	0.65
ASP A 81 C	0.68
ASP A 81 O	0.68
ASP A 81 CB	0.93
ASP A 81 CG	1.04
ASP A 81 OD1	1.42
ASP A 81 OD2	0.89

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Van der Waal's Interactions:
GLY A 78 O 625	ASP A 81 OD2 651	-0.012	INTRA-CHAIN
LYS A 80 NZ 643	ASP A 81 OD2 651	-0.094	INTRA-CHAIN
ASP A 81 OD2 651	PRO B 178 OXT 2935	-0.013	INTER-CHAIN