Structural features of residue 53 in chain A

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Electrostatic Interactions:
HIS A 53 ND1	ASP A 76 OD1	-1.886	INTRA-CHAIN
HIS A 53 ND1	ASP A 77 OD1	-1.570	INTRA-CHAIN
HIS A 53 ND1	HIS A 81 ND1	0.705	INTRA-CHAIN
HIS A 53 ND1	HIS A 81 NE2	1.525	INTRA-CHAIN
HIS A 53 NE2	ASP A 76 OD1	-1.787	INTRA-CHAIN
HIS A 53 NE2	ASP A 77 OD1	-1.428	INTRA-CHAIN
ASP A 76 OD1	HIS A 53 ND1	-1.886	INTRA-CHAIN
ASP A 76 OD2	HIS A 53 ND1	-1.738	INTRA-CHAIN
ASP A 77 OD1	HIS A 53 ND1	-1.570	INTRA-CHAIN
ASP A 77 OD2	HIS A 53 ND1	-1.743	INTRA-CHAIN
HIS A 81 ND1	HIS A 53 ND1	0.705	INTRA-CHAIN
HIS A 81 NE2	HIS A 53 ND1	0.678	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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|        H|       53|      A|         Y|       43|      B|
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Protrusion Index:
HIS A 53 N	0.84
HIS A 53 CA	0.81
HIS A 53 C	0.69
HIS A 53 O	0.53
HIS A 53 CB	0.78
HIS A 53 CG	0.97
HIS A 53 ND1	0.81
HIS A 53 CD2	1.48
HIS A 53 CE1	1.02
HIS A 53 NE2	1.48