Structural features of residue 21 in chain A

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Electrostatic Interactions:
GLU A 17 OE1	LYS A 21 NZ	-3.564	INTRA-CHAIN
GLU A 17 OE2	LYS A 21 NZ	-2.605	INTRA-CHAIN
LYS A 21 NZ	GLU A 17 OE2	-2.605	INTRA-CHAIN
LYS A 21 NZ	GLU A 22 OE2	-1.294	INTRA-CHAIN
LYS A 21 NZ	LYS A 92 NZ	0.681	INTRA-CHAIN
LYS A 21 NZ	LYS A 93 NZ	1.352	INTRA-CHAIN
LYS A 21 NZ	LYS A 94 NZ	0.425	INTRA-CHAIN
LYS A 21 NZ	GLU B 100 OE2	-1.253	INTER-CHAIN
GLU A 22 OE1	LYS A 21 NZ	-1.328	INTRA-CHAIN
GLU A 22 OE2	LYS A 21 NZ	-1.294	INTRA-CHAIN
LYS A 92 NZ	LYS A 21 NZ	0.681	INTRA-CHAIN
LYS A 93 NZ	LYS A 21 NZ	1.352	INTRA-CHAIN
LYS A 94 NZ	LYS A 21 NZ	0.425	INTRA-CHAIN
GLU B 100 OE1	LYS A 21 NZ	-1.448	INTER-CHAIN
GLU B 100 OE2	LYS A 21 NZ	-1.253	INTER-CHAIN

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Protrusion Index:
LYS A 21 N	0.98
LYS A 21 CA	0.86
LYS A 21 C	0.77
LYS A 21 O	0.72
LYS A 21 CB	0.67
LYS A 21 CG	0.58
LYS A 21 CD	0.52
LYS A 21 CE	0.68
LYS A 21 NZ	0.74

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Salt bridges:
GLU A 17	LYS A 21	2.787	INTRA-CHAIN

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Van der Waal's Interactions:
GLU A 17 OE2 98	LYS A 21 NZ 131	-0.017	INTRA-CHAIN
LEU A 20 CD2 122	LYS A 21 NZ 131	-0.016	INTRA-CHAIN
LYS A 21 NZ 131	ALA A 24 CB 150	-0.008	INTRA-CHAIN
LYS A 21 NZ 131	LYS A 93 NZ 723	-0.091	INTRA-CHAIN
LYS A 21 NZ 131	TYR B 99 OH 3329	-0.099	INTER-CHAIN