Structural features of residue 19 in chain A

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Electrostatic Interactions:
HIS A 19 ND1	ASP A 21 OD1	-3.644	INTRA-CHAIN
HIS A 19 ND1	ARG C 84 NH1	2.763	INTER-CHAIN
HIS A 19 ND1	ASP B 102 OD1	-1.435	INTER-CHAIN
HIS A 19 ND1	ARG B 107 NH1	5.014	INTER-CHAIN
HIS A 19 ND1	HIS B 111 ND1	0.911	INTER-CHAIN
HIS A 19 ND1	HIS B 111 NE2	2.268	INTER-CHAIN
HIS A 19 NE2	ASP A 21 OD1	-3.146	INTRA-CHAIN
HIS A 19 NE2	ARG C 84 NH1	2.707	INTER-CHAIN
HIS A 19 NE2	ASP B 102 OD1	-1.345	INTER-CHAIN
HIS A 19 NE2	ARG B 107 NH1	4.290	INTER-CHAIN
HIS A 19 NE2	HIS B 111 ND1	0.771	INTER-CHAIN
HIS A 19 NE2	HIS B 111 NE2	1.899	INTER-CHAIN
ASP A 21 OD1	HIS A 19 ND1	-3.644	INTRA-CHAIN
ASP A 21 OD2	HIS A 19 ND1	-4.804	INTRA-CHAIN
ASP B 102 OD1	HIS A 19 ND1	-1.435	INTER-CHAIN
ARG B 107 NH1	HIS A 19 NE2	4.290	INTER-CHAIN
ARG B 107 NH2	HIS A 19 NE2	5.406	INTER-CHAIN
HIS B 111 ND1	HIS A 19 ND1	0.911	INTER-CHAIN
HIS B 111 ND1	HIS A 19 NE2	1.735	INTER-CHAIN
HIS B 111 NE2	HIS A 19 ND1	1.008	INTER-CHAIN
HIS B 111 NE2	HIS A 19 NE2	1.899	INTER-CHAIN
ARG C 84 NH1	HIS A 19 NE2	2.707	INTER-CHAIN
ARG C 84 NH2	HIS A 19 NE2	2.281	INTER-CHAIN

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Van der Waal's Interactions:
HIS A 19 NE2 167	ASP A 21 OD2 181	-0.094	INTRA-CHAIN
HIS A 19 NE2 167	ARG B 107 NH2 1951	-0.022	INTER-CHAIN