Structural features of residue 21 in chain A

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Electrostatic Interactions:
GLU A 8 OE2	GLU A 21 OE2	2.793	INTRA-CHAIN
LYS A 13 NZ	GLU A 21 OE2	-1.119	INTRA-CHAIN
GLU A 20 OE1	GLU A 21 OE1	4.439	INTRA-CHAIN
GLU A 20 OE1	GLU A 21 OE2	4.692	INTRA-CHAIN
GLU A 20 OE2	GLU A 21 OE1	3.948	INTRA-CHAIN
GLU A 20 OE2	GLU A 21 OE2	3.981	INTRA-CHAIN
GLU A 21 OE1	GLU A 20 OE1	4.439	INTRA-CHAIN
GLU A 21 OE1	GLU A 20 OE2	3.948	INTRA-CHAIN
GLU A 21 OE1	GLU A 26 OE1	2.900	INTRA-CHAIN
GLU A 21 OE1	GLU A 28 OE1	3.083	INTRA-CHAIN
GLU A 21 OE1	GLU A 28 OE2	3.617	INTRA-CHAIN
GLU A 21 OE1	LYS B 35 NZ	-1.152	INTER-CHAIN
GLU A 21 OE1	LYS B 42 NZ	-1.473	INTER-CHAIN
GLU A 21 OE2	GLU A 8 OE2	2.793	INTRA-CHAIN
GLU A 21 OE2	LYS A 13 NZ	-1.119	INTRA-CHAIN
GLU A 21 OE2	GLU A 20 OE1	4.692	INTRA-CHAIN
GLU A 21 OE2	GLU A 20 OE2	3.981	INTRA-CHAIN
GLU A 21 OE2	GLU A 26 OE1	3.303	INTRA-CHAIN
GLU A 21 OE2	GLU A 26 OE2	2.839	INTRA-CHAIN
GLU A 21 OE2	GLU A 28 OE1	3.642	INTRA-CHAIN
GLU A 21 OE2	GLU A 28 OE2	4.388	INTRA-CHAIN
GLU A 21 OE2	LYS B 35 NZ	-1.336	INTER-CHAIN
GLU A 21 OE2	LYS B 42 NZ	-1.765	INTER-CHAIN
GLU A 21 OE2	LYS B 47 NZ	-1.128	INTER-CHAIN
GLU A 26 OE1	GLU A 21 OE1	2.900	INTRA-CHAIN
GLU A 26 OE1	GLU A 21 OE2	3.303	INTRA-CHAIN
GLU A 26 OE2	GLU A 21 OE2	2.839	INTRA-CHAIN
GLU A 28 OE1	GLU A 21 OE1	3.083	INTRA-CHAIN
GLU A 28 OE1	GLU A 21 OE2	3.642	INTRA-CHAIN
GLU A 28 OE2	GLU A 21 OE1	3.617	INTRA-CHAIN
GLU A 28 OE2	GLU A 21 OE2	4.388	INTRA-CHAIN
LYS B 35 NZ	GLU A 21 OE2	-1.336	INTER-CHAIN
LYS B 42 NZ	GLU A 21 OE2	-1.765	INTER-CHAIN
LYS B 47 NZ	GLU A 21 OE2	-1.128	INTER-CHAIN

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Protrusion Index:
GLU A 21 N	1.45
GLU A 21 CA	1.04
GLU A 21 C	0.58
GLU A 21 O	0.56
GLU A 21 CB	1.04
GLU A 21 CG	1.29
GLU A 21 CD	1.48
GLU A 21 OE1	1.94
GLU A 21 OE2	1.22

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Van der Waal's Interactions:
SER A 18 OG 134	GLU A 21 OE2 159	-0.023	INTRA-CHAIN
GLU A 21 OE2 159	ALA A 24 CB 177	-0.040	INTRA-CHAIN
GLU A 21 OE2 159	LEU A 25 CD2 185	-0.013	INTRA-CHAIN
GLU A 21 OE2 159	LEU B 46 CD2 705	-0.187	INTER-CHAIN