Structural features of residue 19 in chain A

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Electrostatic Interactions:
HIS A 12 ND1	HIS A 19 ND1	0.848	INTRA-CHAIN
HIS A 12 ND1	HIS A 19 NE2	1.688	INTRA-CHAIN
HIS A 12 NE2	HIS A 19 ND1	1.004	INTRA-CHAIN
HIS A 12 NE2	HIS A 19 NE2	1.933	INTRA-CHAIN
ARG A 14 NH1	HIS A 19 NE2	4.462	INTRA-CHAIN
ARG A 14 NH2	HIS A 19 NE2	4.593	INTRA-CHAIN
ASP A 16 OD1	HIS A 19 ND1	-1.678	INTRA-CHAIN
ASP A 16 OD2	HIS A 19 ND1	-1.731	INTRA-CHAIN
HIS A 19 ND1	HIS A 12 ND1	0.848	INTRA-CHAIN
HIS A 19 ND1	HIS A 12 NE2	2.258	INTRA-CHAIN
HIS A 19 ND1	HIS B 12 NE2	1.557	INTER-CHAIN
HIS A 19 ND1	ARG A 14 NH1	5.716	INTRA-CHAIN
HIS A 19 ND1	ASP A 16 OD1	-1.678	INTRA-CHAIN
HIS A 19 ND1	ASP A 20 OD1	-2.573	INTRA-CHAIN
HIS A 19 ND1	ASP B 24 OD1	-2.185	INTER-CHAIN
HIS A 19 NE2	HIS A 12 ND1	0.750	INTRA-CHAIN
HIS A 19 NE2	HIS A 12 NE2	1.933	INTRA-CHAIN
HIS A 19 NE2	ARG A 14 NH1	4.462	INTRA-CHAIN
HIS A 19 NE2	ASP A 16 OD1	-1.804	INTRA-CHAIN
HIS A 19 NE2	ASP A 20 OD1	-2.088	INTRA-CHAIN
HIS A 19 NE2	ASP B 24 OD1	-2.521	INTER-CHAIN
ASP A 20 OD1	HIS A 19 ND1	-2.573	INTRA-CHAIN
ASP A 20 OD2	HIS A 19 ND1	-2.897	INTRA-CHAIN
HIS B 12 NE2	HIS A 19 ND1	0.692	INTER-CHAIN
ASP B 20 OD2	HIS A 19 ND1	-1.358	INTER-CHAIN
ASP B 24 OD1	HIS A 19 ND1	-2.185	INTER-CHAIN
ASP B 24 OD2	HIS A 19 ND1	-2.630	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|       19|      A|         D|       33|      B|
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Protrusion Index:
HIS A 19 N	0.69
HIS A 19 CA	0.64
HIS A 19 C	0.60
HIS A 19 O	0.53
HIS A 19 CB	0.44
HIS A 19 CG	0.50
HIS A 19 ND1	0.62
HIS A 19 CD2	0.46
HIS A 19 CE1	0.68
HIS A 19 NE2	0.58

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Van der Waal's Interactions:
ARG A 14 NH2 188	HIS A 19 NE2 227	-0.008	INTRA-CHAIN
SER A 17 OG 209	HIS A 19 NE2 227	-0.124	INTRA-CHAIN
HIS A 19 NE2 227	ASP B 24 OD2 1436	-0.011	INTER-CHAIN
HIS A 19 NE2 227	PRO B 36 CD 1517	-0.027	INTER-CHAIN