Structural features of residue 21 in chain D

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Electrostatic Interactions:
HIS A 65 ND1	HIS D 21 ND1	0.767	INTER-CHAIN
HIS A 65 ND1	HIS D 21 NE2	1.536	INTER-CHAIN
HIS A 65 NE2	HIS D 21 ND1	0.733	INTER-CHAIN
HIS B 60 ND1	HIS D 21 ND1	0.696	INTER-CHAIN
HIS B 60 NE2	HIS D 21 ND1	0.697	INTER-CHAIN
ASP D 10 OD1	HIS D 21 ND1	-1.759	INTRA-CHAIN
ASP D 10 OD2	HIS D 21 ND1	-1.971	INTRA-CHAIN
ASP D 14 OD1	HIS D 21 ND1	-1.401	INTRA-CHAIN
ASP D 14 OD2	HIS D 21 ND1	-1.493	INTRA-CHAIN
HIS D 21 ND1	ASP D 10 OD1	-1.759	INTRA-CHAIN
HIS D 21 ND1	ASP D 14 OD1	-1.401	INTRA-CHAIN
HIS D 21 ND1	HIS D 60 ND1	1.365	INTRA-CHAIN
HIS D 21 ND1	HIS D 60 NE2	3.562	INTRA-CHAIN
HIS D 21 ND1	HIS B 60 ND1	0.696	INTER-CHAIN
HIS D 21 ND1	HIS B 60 NE2	1.568	INTER-CHAIN
HIS D 21 ND1	HIS F 65 ND1	0.695	INTER-CHAIN
HIS D 21 ND1	HIS F 65 NE2	1.752	INTER-CHAIN
HIS D 21 ND1	HIS A 65 ND1	0.767	INTER-CHAIN
HIS D 21 ND1	HIS A 65 NE2	1.649	INTER-CHAIN
HIS D 21 NE2	ASP D 10 OD1	-1.724	INTRA-CHAIN
HIS D 21 NE2	ASP D 14 OD1	-1.641	INTRA-CHAIN
HIS D 21 NE2	HIS D 60 ND1	1.195	INTRA-CHAIN
HIS D 21 NE2	HIS D 60 NE2	3.151	INTRA-CHAIN
HIS D 21 NE2	HIS F 65 NE2	1.656	INTER-CHAIN
HIS D 21 NE2	HIS A 65 ND1	0.683	INTER-CHAIN
HIS D 60 ND1	HIS D 21 ND1	1.365	INTRA-CHAIN
HIS D 60 ND1	HIS D 21 NE2	2.689	INTRA-CHAIN
HIS D 60 NE2	HIS D 21 ND1	1.583	INTRA-CHAIN
HIS D 60 NE2	HIS D 21 NE2	3.151	INTRA-CHAIN
ASP E 14 OD2	HIS D 21 ND1	-1.350	INTER-CHAIN
HIS F 65 ND1	HIS D 21 ND1	0.695	INTER-CHAIN
HIS F 65 NE2	HIS D 21 ND1	0.779	INTER-CHAIN
HIS F 65 NE2	HIS D 21 NE2	1.656	INTER-CHAIN

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Van der Waal's Interactions:
SER D 9 OG 2105	HIS D 21 NE2 2226	-0.034	INTRA-CHAIN
TYR D 12 OH 2134	HIS D 21 NE2 2226	-1.209	INTRA-CHAIN
HIS D 21 NE2 2226	TYR D 57 OH 2531	-0.016	INTRA-CHAIN
HIS D 21 NE2 2226	GLU F 61 OE2 3946	-0.075	INTER-CHAIN
HIS D 21 NE2 2226	PRO F 62 CD 3953	-0.008	INTER-CHAIN