Structural features of residue 55 in chain A

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Electrostatic Interactions:
ASP A 37 OD1	HIS A 55 ND1	-1.400	INTRA-CHAIN
ASP A 37 OD2	HIS A 55 ND1	-1.338	INTRA-CHAIN
ARG A 52 NH1	HIS A 55 NE2	3.456	INTRA-CHAIN
ARG A 52 NH2	HIS A 55 NE2	3.244	INTRA-CHAIN
HIS A 55 ND1	ASP A 37 OD1	-1.400	INTRA-CHAIN
HIS A 55 ND1	ARG A 52 NH1	3.305	INTRA-CHAIN
HIS A 55 ND1	ASP B 60 OD1	-1.600	INTER-CHAIN
HIS A 55 ND1	ASP A 60 OD1	-1.589	INTRA-CHAIN
HIS A 55 NE2	ASP A 37 OD1	-1.484	INTRA-CHAIN
HIS A 55 NE2	ARG A 52 NH1	3.456	INTRA-CHAIN
HIS A 55 NE2	ASP B 60 OD1	-1.802	INTER-CHAIN
HIS A 55 NE2	ASP A 60 OD1	-1.430	INTRA-CHAIN
ASP A 60 OD1	HIS A 55 ND1	-1.589	INTRA-CHAIN
ASP A 60 OD2	HIS A 55 ND1	-1.817	INTRA-CHAIN
ASP B 60 OD1	HIS A 55 ND1	-1.600	INTER-CHAIN
ASP B 60 OD2	HIS A 55 ND1	-1.800	INTER-CHAIN

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Protrusion Index:
HIS A 55 N	0.93
HIS A 55 CA	0.84
HIS A 55 C	0.65
HIS A 55 O	0.48
HIS A 55 CB	0.81
HIS A 55 CG	1.17
HIS A 55 ND1	1.82
HIS A 55 CD2	1.08
HIS A 55 CE1	2.11
HIS A 55 NE2	1.60

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Van der Waal's Interactions:
HIS A 55 NE2 435	ILE B 57 CD1 452	-0.253	INTER-CHAIN
HIS A 55 NE2 435	VAL A 58 CG2 459	-0.020	INTRA-CHAIN
HIS A 55 NE2 435	ASN B 61 ND2 480	-0.029	INTER-CHAIN