Structural features of residue 18 in chain A

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Electrostatic Interactions:
ASP A 12 OD1	ASP A 18 OD1	3.237	INTRA-CHAIN
ASP A 12 OD1	ASP A 18 OD2	3.567	INTRA-CHAIN
ASP A 12 OD2	ASP A 18 OD1	2.923	INTRA-CHAIN
ASP A 12 OD2	ASP A 18 OD2	3.141	INTRA-CHAIN
GLU A 15 OE1	ASP A 18 OD2	5.434	INTRA-CHAIN
GLU A 15 OE2	ASP A 18 OD2	6.152	INTRA-CHAIN
ASP A 18 OD1	ASP A 12 OD1	3.237	INTRA-CHAIN
ASP A 18 OD1	ASP A 12 OD2	2.923	INTRA-CHAIN
ASP A 18 OD1	GLU A 15 OE1	4.418	INTRA-CHAIN
ASP A 18 OD1	ASP A 23 OD1	3.599	INTRA-CHAIN
ASP A 18 OD1	ASP A 23 OD2	3.574	INTRA-CHAIN
ASP A 18 OD1	GLU B 52 OE1	3.630	INTER-CHAIN
ASP A 18 OD1	GLU B 60 OE1	11.065	INTER-CHAIN
ASP A 18 OD1	GLU B 67 OE1	2.978	INTER-CHAIN
ASP A 18 OD1	GLU B 76 OE1	3.065	INTER-CHAIN
ASP A 18 OD2	ASP A 12 OD1	3.567	INTRA-CHAIN
ASP A 18 OD2	ASP A 12 OD2	3.141	INTRA-CHAIN
ASP A 18 OD2	GLU A 15 OE1	5.434	INTRA-CHAIN
ASP A 18 OD2	ASP A 23 OD1	3.466	INTRA-CHAIN
ASP A 18 OD2	ASP A 23 OD2	3.399	INTRA-CHAIN
ASP A 18 OD2	GLU B 52 OE1	3.699	INTER-CHAIN
ASP A 18 OD2	GLU B 60 OE1	9.988	INTER-CHAIN
ASP A 18 OD2	GLU B 67 OE1	3.040	INTER-CHAIN
ASP A 18 OD2	GLU B 76 OE1	2.766	INTER-CHAIN
ASP A 23 OD1	ASP A 18 OD1	3.599	INTRA-CHAIN
ASP A 23 OD1	ASP A 18 OD2	3.466	INTRA-CHAIN
ASP A 23 OD2	ASP A 18 OD1	3.574	INTRA-CHAIN
ASP A 23 OD2	ASP A 18 OD2	3.399	INTRA-CHAIN
GLU B 52 OE1	ASP A 18 OD2	3.699	INTER-CHAIN
GLU B 52 OE2	ASP A 18 OD2	3.750	INTER-CHAIN
GLU B 60 OE1	ASP A 18 OD2	9.988	INTER-CHAIN
GLU B 60 OE2	ASP A 18 OD2	8.832	INTER-CHAIN
GLU B 67 OE1	ASP A 18 OD2	3.040	INTER-CHAIN
GLU B 67 OE2	ASP A 18 OD2	3.390	INTER-CHAIN
GLU B 76 OE1	ASP A 18 OD2	2.766	INTER-CHAIN
GLU B 76 OE2	ASP A 18 OD2	2.677	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|       53|      B|         D|       18|      A|
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|        R|       61|      B|         D|       18|      A|
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Protrusion Index:
ASP A 18 N	0.19
ASP A 18 CA	0.27
ASP A 18 C	0.26
ASP A 18 O	0.26
ASP A 18 CB	0.40
ASP A 18 CG	0.39
ASP A 18 OD1	0.29
ASP A 18 OD2	0.51

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Salt bridges:
ASP A 18	ARG A 19	2.252	INTRA-CHAIN
ASP A 18	ARG B 61	2.971	INTER-CHAIN

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Van der Waal's Interactions:
GLU A 15 OE2 114	ASP A 18 OD2 135	-0.012	INTRA-CHAIN
ASP A 18 OD2 135	ARG B 53 NH2 1081	-0.127	INTER-CHAIN
ASP A 18 OD2 135	MET B 57 CE 1106	-0.010	INTER-CHAIN
ASP A 18 OD2 135	GLU B 60 OE2 1130	-0.104	INTER-CHAIN
ASP A 18 OD2 135	ARG B 61 NH2 1141	-0.049	INTER-CHAIN
ASP A 18 OD2 135	TRP B 64 CH2 1171	-0.054	INTER-CHAIN