Structural features of residue 21 in chain B

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Electrostatic Interactions:
ASP A 199 OD1	HIS B 21 ND1	-1.496	INTER-CHAIN
ASP A 199 OD2	HIS B 21 ND1	-1.645	INTER-CHAIN
ASP B 18 OD1	HIS B 21 ND1	-4.588	INTRA-CHAIN
ASP B 18 OD2	HIS B 21 ND1	-6.300	INTRA-CHAIN
HIS B 21 ND1	ASP B 18 OD1	-4.588	INTRA-CHAIN
HIS B 21 ND1	ASP A 199 OD1	-1.496	INTER-CHAIN
HIS B 21 NE2	ASP B 18 OD1	-3.190	INTRA-CHAIN
HIS B 21 NE2	ASP A 199 OD1	-1.431	INTER-CHAIN

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Protrusion Index:
HIS B 21 N	0.97
HIS B 21 CA	1.13
HIS B 21 C	0.84
HIS B 21 O	0.81
HIS B 21 CB	1.04
HIS B 21 CG	1.51
HIS B 21 ND1	1.67
HIS B 21 CD2	1.78
HIS B 21 CE1	2.31
HIS B 21 NE2	2.47

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Van der Waal's Interactions:
ASP B 18 OD2 4302	HIS B 21 NE2 4324	-0.075	INTRA-CHAIN
ALA B 20 CB 4314	HIS B 21 NE2 4324	-0.037	INTRA-CHAIN