Structural features of residue 20 in chain A

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Electrostatic Interactions:
GLU A 20 OE1	ASP A 21 OD2	5.442	INTRA-CHAIN
GLU A 20 OE1	LYS A 22 NZ	-1.291	INTRA-CHAIN
GLU A 20 OE1	LYS A 25 NZ	-1.357	INTRA-CHAIN
GLU A 20 OE1	GLU A 28 OE1	3.129	INTRA-CHAIN
GLU A 20 OE1	GLU A 28 OE2	3.361	INTRA-CHAIN
GLU A 20 OE1	GLU A 37 OE1	6.503	INTRA-CHAIN
GLU A 20 OE1	GLU A 37 OE2	8.659	INTRA-CHAIN
GLU A 20 OE1	LYS A 40 NZ	-1.090	INTRA-CHAIN
GLU A 20 OE1	ASP B 55 OD2	6.431	INTER-CHAIN
GLU A 20 OE1	GLU B 65 OE1	4.459	INTER-CHAIN
GLU A 20 OE1	GLU B 65 OE2	4.656	INTER-CHAIN
GLU A 20 OE1	ASP B 74 OD2	2.838	INTER-CHAIN
GLU A 20 OE1	LYS B 77 NZ	-1.256	INTER-CHAIN
GLU A 20 OE2	ASP A 21 OD2	4.256	INTRA-CHAIN
GLU A 20 OE2	LYS A 22 NZ	-1.170	INTRA-CHAIN
GLU A 20 OE2	LYS A 25 NZ	-1.184	INTRA-CHAIN
GLU A 20 OE2	GLU A 28 OE1	2.955	INTRA-CHAIN
GLU A 20 OE2	GLU A 28 OE2	3.214	INTRA-CHAIN
GLU A 20 OE2	GLU A 35 OE1	2.717	INTRA-CHAIN
GLU A 20 OE2	GLU A 37 OE1	7.391	INTRA-CHAIN
GLU A 20 OE2	GLU A 37 OE2	11.849	INTRA-CHAIN
GLU A 20 OE2	GLU A 38 OE1	2.828	INTRA-CHAIN
GLU A 20 OE2	LYS A 40 NZ	-1.190	INTRA-CHAIN
GLU A 20 OE2	ASP B 55 OD2	9.407	INTER-CHAIN
GLU A 20 OE2	GLU B 65 OE1	5.833	INTER-CHAIN
GLU A 20 OE2	GLU B 65 OE2	5.953	INTER-CHAIN
GLU A 20 OE2	GLU B 71 OE2	2.687	INTER-CHAIN
GLU A 20 OE2	ASP B 74 OD2	3.124	INTER-CHAIN
GLU A 20 OE2	LYS B 77 NZ	-1.476	INTER-CHAIN
ASP A 21 OD1	GLU A 20 OE1	7.250	INTRA-CHAIN
ASP A 21 OD2	GLU A 20 OE1	5.442	INTRA-CHAIN
LYS A 22 NZ	GLU A 20 OE2	-1.170	INTRA-CHAIN
LYS A 25 NZ	GLU A 20 OE2	-1.184	INTRA-CHAIN
GLU A 28 OE1	GLU A 20 OE1	3.129	INTRA-CHAIN
GLU A 28 OE1	GLU A 20 OE2	2.955	INTRA-CHAIN
GLU A 28 OE2	GLU A 20 OE1	3.361	INTRA-CHAIN
GLU A 28 OE2	GLU A 20 OE2	3.214	INTRA-CHAIN
GLU A 35 OE1	GLU A 20 OE2	2.717	INTRA-CHAIN
GLU A 37 OE1	GLU A 20 OE1	6.503	INTRA-CHAIN
GLU A 37 OE1	GLU A 20 OE2	7.391	INTRA-CHAIN
GLU A 37 OE2	GLU A 20 OE1	8.659	INTRA-CHAIN
GLU A 37 OE2	GLU A 20 OE2	11.849	INTRA-CHAIN
GLU A 38 OE1	GLU A 20 OE2	2.828	INTRA-CHAIN
LYS A 40 NZ	GLU A 20 OE2	-1.190	INTRA-CHAIN
ASP B 55 OD1	GLU A 20 OE1	7.770	INTER-CHAIN
ASP B 55 OD2	GLU A 20 OE1	6.431	INTER-CHAIN
GLU B 65 OE1	GLU A 20 OE1	4.459	INTER-CHAIN
GLU B 65 OE1	GLU A 20 OE2	5.833	INTER-CHAIN
GLU B 65 OE2	GLU A 20 OE1	4.656	INTER-CHAIN
GLU B 65 OE2	GLU A 20 OE2	5.953	INTER-CHAIN
GLU B 71 OE2	GLU A 20 OE2	2.687	INTER-CHAIN
ASP B 74 OD1	GLU A 20 OE1	2.947	INTER-CHAIN
ASP B 74 OD2	GLU A 20 OE1	2.838	INTER-CHAIN
LYS B 77 NZ	GLU A 20 OE2	-1.476	INTER-CHAIN

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Protrusion Index:
GLU A 20 N	0.49
GLU A 20 CA	0.49
GLU A 20 C	0.65
GLU A 20 O	0.53
GLU A 20 CB	0.68
GLU A 20 CG	0.60
GLU A 20 CD	0.75
GLU A 20 OE1	1.08
GLU A 20 OE2	0.65

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Salt bridges:
GLU A 20	ASP B 55	2.971	INTER-CHAIN

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Van der Waal's Interactions:
SER A 17 OG 6	GLU A 20 OE2 27	-0.026	INTRA-CHAIN
GLU A 20 OE2 27	TYR A 36 OH 160	-0.350	INTRA-CHAIN
GLU A 20 OE2 27	GLU A 37 OE2 169	-0.593	INTRA-CHAIN
GLU A 20 OE2 27	ASP B 55 OD2 1395	-0.152	INTER-CHAIN
GLU A 20 OE2 27	PHE B 56 CZ 1406	-0.013	INTER-CHAIN
GLU A 20 OE2 27	GLU B 65 OE2 1476	-0.010	INTER-CHAIN
GLU A 20 OE2 27	THR B 66 CG2 1483	-0.013	INTER-CHAIN