Structural features of residue 55 in chain A

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Electrostatic Interactions:
GLU A 55 OE1	ASP D 20 OD2	4.688	INTER-CHAIN
GLU A 55 OE1	LYS D 21 NZ	-5.915	INTER-CHAIN
GLU A 55 OE2	ASP D 20 OD2	3.917	INTER-CHAIN
GLU A 55 OE2	LYS D 21 NZ	-3.732	INTER-CHAIN
GLU A 55 OE2	GLU D 185 OE1	2.714	INTER-CHAIN
ASP D 20 OD1	GLU A 55 OE1	5.667	INTER-CHAIN
ASP D 20 OD2	GLU A 55 OE1	4.688	INTER-CHAIN
LYS D 21 NZ	GLU A 55 OE2	-3.732	INTER-CHAIN
GLU D 185 OE1	GLU A 55 OE2	2.714	INTER-CHAIN

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Hydrogen bonds:

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|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
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|        K|       21|      D|         E|       55|      A|
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Protrusion Index:
GLU A 55 N	0.46
GLU A 55 CA	0.56
GLU A 55 C	0.41
GLU A 55 O	0.44
GLU A 55 CB	1.00
GLU A 55 CG	1.24
GLU A 55 CD	1.48
GLU A 55 OE1	1.60
GLU A 55 OE2	1.85

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Salt bridges:
LYS D 21	GLU A 55	2.865	INTER-CHAIN

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Van der Waal's Interactions:
GLU A 55 OE2 451	PRO A 60 CD 485	-0.022	INTRA-CHAIN
LYS D 21 NZ 4905	GLU A 55 OE2 451	-0.165	INTER-CHAIN