Structural features of residue 81 in chain A

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Electrostatic Interactions:
HIS A 55 ND1	ASP A 81 OD1	-1.514	INTRA-CHAIN
HIS A 55 NE2	ASP A 81 OD1	-1.646	INTRA-CHAIN
ASP A 81 OD1	HIS A 55 ND1	-1.514	INTRA-CHAIN
ASP A 81 OD1	ASP A 166 OD1	3.214	INTRA-CHAIN
ASP A 81 OD1	ASP A 166 OD2	3.504	INTRA-CHAIN
ASP A 81 OD2	HIS A 55 ND1	-1.408	INTRA-CHAIN
ASP A 81 OD2	ASP A 166 OD1	2.945	INTRA-CHAIN
ASP A 81 OD2	ASP A 166 OD2	3.231	INTRA-CHAIN
ASP A 166 OD1	ASP A 81 OD1	3.214	INTRA-CHAIN
ASP A 166 OD1	ASP A 81 OD2	2.945	INTRA-CHAIN
ASP A 166 OD2	ASP A 81 OD1	3.504	INTRA-CHAIN
ASP A 166 OD2	ASP A 81 OD2	3.231	INTRA-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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|        L|      180|      B|         D|       81|      A|
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|        K|      181|      B|         D|       81|      A|
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|        T|      182|      B|         D|       81|      A|
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|        G|      183|      B|         D|       81|      A|
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Protrusion Index:
ASP A 81 N	0.04
ASP A 81 CA	0.06
ASP A 81 C	0.15
ASP A 81 O	0.21
ASP A 81 CB	0.11
ASP A 81 CG	0.18
ASP A 81 OD1	0.18
ASP A 81 OD2	0.24

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Salt bridges:
ASP A 81	LYS B 181	2.827	INTER-CHAIN

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Van der Waal's Interactions:
ASP A 81 OD2 604	ALA B 178 CB 2809	-0.011	INTER-CHAIN
ASP A 81 OD2 604	ALA B 179 CB 2814	-0.037	INTER-CHAIN
ASP A 81 OD2 604	LEU B 180 CD2 2822	-0.021	INTER-CHAIN
ASP A 81 OD2 604	THR B 182 CG2 2838	-0.028	INTER-CHAIN
ASP A 81 OD2 604	GLY B 183 O 2842	-0.023	INTER-CHAIN