Structural features of residue 21 in chain A

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Electrostatic Interactions:
GLU A 17 OE1	LYS A 21 NZ	-3.139	INTRA-CHAIN
GLU A 17 OE2	LYS A 21 NZ	-5.021	INTRA-CHAIN
LYS A 21 NZ	GLU A 17 OE2	-5.021	INTRA-CHAIN
LYS A 21 NZ	GLU A 22 OE2	-1.166	INTRA-CHAIN
LYS A 21 NZ	LYS A 92 NZ	0.690	INTRA-CHAIN
LYS A 21 NZ	LYS A 93 NZ	1.150	INTRA-CHAIN
LYS A 21 NZ	GLU B 100 OE2	-1.233	INTER-CHAIN
LYS A 21 NZ	GLU B 126 OE2	-1.089	INTER-CHAIN
GLU A 22 OE1	LYS A 21 NZ	-1.312	INTRA-CHAIN
GLU A 22 OE2	LYS A 21 NZ	-1.166	INTRA-CHAIN
LYS A 92 NZ	LYS A 21 NZ	0.690	INTRA-CHAIN
LYS A 93 NZ	LYS A 21 NZ	1.150	INTRA-CHAIN
GLU B 100 OE1	LYS A 21 NZ	-1.437	INTER-CHAIN
GLU B 100 OE2	LYS A 21 NZ	-1.233	INTER-CHAIN
GLU B 126 OE2	LYS A 21 NZ	-1.089	INTER-CHAIN

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Protrusion Index:
LYS A 21 N	1.00
LYS A 21 CA	0.84
LYS A 21 C	0.84
LYS A 21 O	0.77
LYS A 21 CB	0.74
LYS A 21 CG	0.57
LYS A 21 CD	0.65
LYS A 21 CE	0.63
LYS A 21 NZ	0.69

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Salt bridges:
GLU A 17	LYS A 21	3.137	INTRA-CHAIN

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Van der Waal's Interactions:
GLU A 17 OE2 98	LYS A 21 NZ 131	-0.811	INTRA-CHAIN
LYS A 21 NZ 131	LYS A 93 NZ 723	-0.034	INTRA-CHAIN
LYS A 21 NZ 131	TYR B 99 OH 3330	-0.242	INTER-CHAIN
LYS A 21 NZ 131	PRO B 120 CD 3487	-0.010	INTER-CHAIN