Structural features of residue 57 in chain A

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Electrostatic Interactions:
HIS A 54 ND1	ASP A 57 OD1	-3.404	INTRA-CHAIN
HIS A 54 NE2	ASP A 57 OD1	-2.563	INTRA-CHAIN
ASP A 57 OD1	HIS A 54 ND1	-3.404	INTRA-CHAIN
ASP A 57 OD1	GLU A 67 OE1	2.808	INTRA-CHAIN
ASP A 57 OD1	GLU B 289 OE1	2.793	INTER-CHAIN
ASP A 57 OD1	GLU B 337 OE1	7.701	INTER-CHAIN
ASP A 57 OD1	HIS B 344 ND1	-1.833	INTER-CHAIN
ASP A 57 OD2	HIS A 54 ND1	-5.182	INTRA-CHAIN
ASP A 57 OD2	ASP B 239 OD1	2.736	INTER-CHAIN
ASP A 57 OD2	GLU B 337 OE1	9.232	INTER-CHAIN
ASP A 57 OD2	HIS B 344 ND1	-1.581	INTER-CHAIN
ASP B 239 OD1	ASP A 57 OD2	2.736	INTER-CHAIN
GLU B 289 OE2	ASP A 57 OD2	2.726	INTER-CHAIN
GLU B 337 OE1	ASP A 57 OD2	9.232	INTER-CHAIN
GLU B 337 OE2	ASP A 57 OD2	8.435	INTER-CHAIN
HIS B 344 ND1	ASP A 57 OD1	-1.833	INTER-CHAIN
HIS B 344 NE2	ASP A 57 OD1	-2.132	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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|        R|      339|      B|         D|       57|      A|
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Protrusion Index:
ASP A 57 N	0.25
ASP A 57 CA	0.29
ASP A 57 C	0.34
ASP A 57 O	0.36
ASP A 57 CB	0.32
ASP A 57 CG	0.35
ASP A 57 OD1	0.20
ASP A 57 OD2	0.42

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Van der Waal's Interactions:
ILE A 53 CD1 134	ASP A 57 OD2 168	-0.063	INTRA-CHAIN
HIS A 54 NE2 144	ASP A 57 OD2 168	-0.023	INTRA-CHAIN
ASP A 57 OD2 168	PHE B 334 CZ 1729	-0.007	INTER-CHAIN
ASP A 57 OD2 168	PRO B 335 CD 1736	-0.015	INTER-CHAIN
ASP A 57 OD2 168	GLU B 337 OE2 1753	-0.079	INTER-CHAIN
ASP A 57 OD2 168	ARG B 339 NH2 1773	-0.040	INTER-CHAIN
ASP A 57 OD2 168	CYS B 340 SG 1779	-0.020	INTER-CHAIN