Structural features of residue 21 in chain A

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Electrostatic Interactions:
LYS A 21 NZ	GLU B 53 OE2	-1.272	INTER-CHAIN
LYS A 21 NZ	GLU B 55 OE2	-6.207	INTER-CHAIN
LYS A 21 NZ	LYS B 61 NZ	0.899	INTER-CHAIN
GLU B 53 OE1	LYS A 21 NZ	-1.405	INTER-CHAIN
GLU B 53 OE2	LYS A 21 NZ	-1.272	INTER-CHAIN
GLU B 55 OE1	LYS A 21 NZ	-4.270	INTER-CHAIN
GLU B 55 OE2	LYS A 21 NZ	-6.207	INTER-CHAIN
LYS B 61 NZ	LYS A 21 NZ	0.899	INTER-CHAIN

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Protrusion Index:
LYS A 21 N	0.30
LYS A 21 CA	0.46
LYS A 21 C	0.62
LYS A 21 O	0.69
LYS A 21 CB	0.57
LYS A 21 CG	0.75
LYS A 21 CD	0.97
LYS A 21 CE	1.32
LYS A 21 NZ	1.57

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Salt bridges:
ASP A 20	LYS A 21	2.247	INTRA-CHAIN
ASP A 20	LYS A 21	3.000	INTRA-CHAIN

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Van der Waal's Interactions:
LYS A 21 NZ 167	TYR A 22 OH 179	-0.256	INTRA-CHAIN
LYS A 21 NZ 167	GLU B 55 OE2 2150	-2.900	INTER-CHAIN
LYS A 21 NZ 167	GLY B 59 O 2176	-0.010	INTER-CHAIN
LYS A 21 NZ 167	LYS B 61 NZ 2192	-0.008	INTER-CHAIN