Structural features of residue 28 in chain A

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Electrostatic Interactions:
ARG A 20 NH1	HIS A 28 NE2	3.093	INTRA-CHAIN
ARG A 20 NH2	HIS A 28 NE2	3.276	INTRA-CHAIN
ARG A 25 NH1	HIS A 28 NE2	2.323	INTRA-CHAIN
ARG A 25 NH2	HIS A 28 NE2	2.300	INTRA-CHAIN
HIS A 28 ND1	ARG A 20 NH1	2.617	INTRA-CHAIN
HIS A 28 ND1	ARG A 25 NH1	2.209	INTRA-CHAIN
HIS A 28 ND1	ASP B 39 OD1	-1.731	INTER-CHAIN
HIS A 28 ND1	ASP B 428 OD1	-1.481	INTER-CHAIN
HIS A 28 NE2	ARG A 20 NH1	3.093	INTRA-CHAIN
HIS A 28 NE2	ARG A 25 NH1	2.323	INTRA-CHAIN
HIS A 28 NE2	ASP B 39 OD1	-1.744	INTER-CHAIN
HIS A 28 NE2	ASP B 428 OD1	-1.648	INTER-CHAIN
ASP B 39 OD1	HIS A 28 ND1	-1.731	INTER-CHAIN
ASP B 39 OD2	HIS A 28 ND1	-1.594	INTER-CHAIN
ASP B 428 OD1	HIS A 28 ND1	-1.481	INTER-CHAIN
ASP B 428 OD2	HIS A 28 ND1	-1.378	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|       28|      A|         D|      435|      B|
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Protrusion Index:
HIS A 28 N	0.68
HIS A 28 CA	0.59
HIS A 28 C	0.46
HIS A 28 O	0.41
HIS A 28 CB	0.42
HIS A 28 CG	0.68
HIS A 28 ND1	0.89
HIS A 28 CD2	0.56
HIS A 28 CE1	1.00
HIS A 28 NE2	0.78

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Van der Waal's Interactions:
THR A 23 CG2 176	HIS A 28 NE2 226	-0.012	INTRA-CHAIN
PHE A 24 CZ 187	HIS A 28 NE2 226	-0.021	INTRA-CHAIN
GLN A 27 NE2 216	HIS A 28 NE2 226	-0.816	INTRA-CHAIN