Structural features of residue 54 in chain A

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Electrostatic Interactions:
ASP A 16 OD1	HIS A 54 ND1	-1.421	INTRA-CHAIN
ASP A 16 OD2	HIS A 54 ND1	-1.589	INTRA-CHAIN
ARG A 46 NH1	HIS A 54 NE2	2.229	INTRA-CHAIN
ARG A 46 NH2	HIS A 54 NE2	2.292	INTRA-CHAIN
HIS A 54 ND1	ARG B 10 NH1	4.414	INTER-CHAIN
HIS A 54 ND1	ASP A 16 OD1	-1.421	INTRA-CHAIN
HIS A 54 ND1	ARG A 46 NH1	2.539	INTRA-CHAIN
HIS A 54 NE2	ARG B 10 NH1	4.698	INTER-CHAIN
HIS A 54 NE2	ASP A 16 OD1	-1.458	INTRA-CHAIN
HIS A 54 NE2	ARG A 46 NH1	2.229	INTRA-CHAIN
ARG B 10 NH1	HIS A 54 NE2	4.698	INTER-CHAIN
ARG B 10 NH2	HIS A 54 NE2	4.122	INTER-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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|        H|       54|      A|         Q|        8|      B|
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|        H|       54|      A|         K|        9|      B|
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|        I|        7|      B|         H|       54|      A|
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Protrusion Index:
HIS A 54 N	0.45
HIS A 54 CA	0.38
HIS A 54 C	0.29
HIS A 54 O	0.29
HIS A 54 CB	0.30
HIS A 54 CG	0.51
HIS A 54 ND1	0.58
HIS A 54 CD2	0.63
HIS A 54 CE1	0.78
HIS A 54 NE2	0.84

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Van der Waal's Interactions:
THR A 53 CG2 413	HIS A 54 NE2 423	-0.022	INTRA-CHAIN