Structural features of residue 20 in chain A

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Hydrogen bonds:

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|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
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|        A|       20|      A|         O|      143|      E|
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|        A|       20|      B|         O|      142|      E|
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Hydrophobic Interactions:
LEU A 18	ALA A 20	Dist=6.680	INTRA-CHAIN
VAL A 19	ALA A 20	Dist=5.764	INTRA-CHAIN
ALA A 20	TYR B 35	Dist=3.709	INTER-CHAIN
ALA A 20	TYR B 114	Dist=6.017	INTER-CHAIN

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Protrusion Index:
ALA A 20 N	0.20
ALA A 20 CA	0.11
ALA A 20 C	0.15
ALA A 20 O	0.20
ALA A 20 CB	0.22

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Van der Waal's Interactions:
LEU A 18 CD2 137	ALA A 20 CB 149	-0.172	INTRA-CHAIN
VAL A 19 CG2 144	ALA A 20 CB 149	-0.009	INTRA-CHAIN
ALA A 20 CB 149	GLU A 22 OE2 166	-0.064	INTRA-CHAIN
ALA A 20 CB 149	ASN A 26 ND2 200	-0.026	INTRA-CHAIN