Structural features of residue 19 in chain B

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Electrostatic Interactions:
ASP A 102 OD1	HIS B 19 ND1	-1.451	INTER-CHAIN
ARG A 107 NH1	HIS B 19 NE2	4.366	INTER-CHAIN
ARG A 107 NH2	HIS B 19 NE2	5.163	INTER-CHAIN
HIS A 111 ND1	HIS B 19 ND1	0.912	INTER-CHAIN
HIS A 111 ND1	HIS B 19 NE2	1.726	INTER-CHAIN
HIS A 111 NE2	HIS B 19 ND1	1.006	INTER-CHAIN
HIS A 111 NE2	HIS B 19 NE2	1.884	INTER-CHAIN
HIS B 19 ND1	ASP B 21 OD1	-4.398	INTRA-CHAIN
HIS B 19 ND1	ASP B 24 OD1	-2.508	INTRA-CHAIN
HIS B 19 ND1	ARG D 84 NH1	2.989	INTER-CHAIN
HIS B 19 ND1	ASP A 102 OD1	-1.451	INTER-CHAIN
HIS B 19 ND1	ARG A 107 NH1	5.088	INTER-CHAIN
HIS B 19 ND1	HIS A 111 ND1	0.912	INTER-CHAIN
HIS B 19 ND1	HIS A 111 NE2	2.264	INTER-CHAIN
HIS B 19 NE2	ASP B 21 OD1	-3.954	INTRA-CHAIN
HIS B 19 NE2	ASP B 24 OD1	-2.144	INTRA-CHAIN
HIS B 19 NE2	ARG D 84 NH1	3.060	INTER-CHAIN
HIS B 19 NE2	ASP A 102 OD1	-1.361	INTER-CHAIN
HIS B 19 NE2	ARG A 107 NH1	4.366	INTER-CHAIN
HIS B 19 NE2	HIS A 111 ND1	0.767	INTER-CHAIN
HIS B 19 NE2	HIS A 111 NE2	1.884	INTER-CHAIN
ASP B 21 OD1	HIS B 19 ND1	-4.398	INTRA-CHAIN
ASP B 21 OD2	HIS B 19 ND1	-5.679	INTRA-CHAIN
ASP B 24 OD1	HIS B 19 ND1	-2.508	INTRA-CHAIN
ASP B 24 OD2	HIS B 19 ND1	-2.930	INTRA-CHAIN
ARG D 84 NH1	HIS B 19 NE2	3.060	INTER-CHAIN
ARG D 84 NH2	HIS B 19 NE2	2.528	INTER-CHAIN

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Van der Waal's Interactions:
HIS B 19 NE2 1214	SER B 20 OG 1220	-0.037	INTRA-CHAIN
HIS B 19 NE2 1214	ASP B 21 OD2 1228	-0.468	INTRA-CHAIN
HIS B 19 NE2 1214	LYS D 98 NZ 2796	-0.130	INTER-CHAIN
HIS B 19 NE2 1214	ARG A 107 NH2 904	-0.017	INTER-CHAIN