Structural features of residue 4 in chain A

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Electrostatic Interactions:
ASP A 4 OD1	ASP A 12 OD1	2.931	INTRA-CHAIN
ASP A 4 OD1	ASP A 12 OD2	2.677	INTRA-CHAIN
ASP A 4 OD1	ASP B 12 OD1	2.960	INTER-CHAIN
ASP A 4 OD1	GLU B 278 OE1	3.646	INTER-CHAIN
ASP A 4 OD2	ASP A 12 OD1	3.306	INTRA-CHAIN
ASP A 4 OD2	ASP A 12 OD2	3.008	INTRA-CHAIN
ASP A 4 OD2	ASP B 12 OD1	2.857	INTER-CHAIN
ASP A 4 OD2	ASP B 252 OD1	2.712	INTER-CHAIN
ASP A 4 OD2	GLU B 278 OE1	3.239	INTER-CHAIN
ASP A 12 OD1	ASP A 4 OD1	2.931	INTRA-CHAIN
ASP A 12 OD1	ASP A 4 OD2	3.306	INTRA-CHAIN
ASP A 12 OD2	ASP A 4 OD1	2.677	INTRA-CHAIN
ASP A 12 OD2	ASP A 4 OD2	3.008	INTRA-CHAIN
ASP B 12 OD1	ASP A 4 OD1	2.960	INTER-CHAIN
ASP B 12 OD1	ASP A 4 OD2	2.857	INTER-CHAIN
ASP B 252 OD1	ASP A 4 OD2	2.712	INTER-CHAIN
GLU B 278 OE1	ASP A 4 OD2	3.239	INTER-CHAIN
GLU B 278 OE2	ASP A 4 OD2	2.872	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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|        D|        4|      A|         D|      279|      B|
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|        S|      291|      B|         D|        4|      A|
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|        G|      293|      B|         D|        4|      A|
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Protrusion Index:
ASP A 4 N	0.53
ASP A 4 CA	0.56
ASP A 4 C	0.60
ASP A 4 O	0.48
ASP A 4 CB	0.27
ASP A 4 CG	0.29
ASP A 4 OD1	0.42
ASP A 4 OD2	0.23

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Van der Waal's Interactions:
ASP A 4 OD2 16	SER B 291 OG 2274	-2.250	INTER-CHAIN
ASP A 4 OD2 16	ALA B 294 CB 2290	-0.017	INTER-CHAIN