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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|        Y|       20|      A|         A|        6|      B|
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Hydrophobic Interactions:
VAL A 19	TYR A 20	Dist=5.604	INTRA-CHAIN
TYR A 20	LEU A 21	Dist=5.424	INTRA-CHAIN
TYR A 20	VAL A 32	Dist=6.842	INTRA-CHAIN
TYR A 20	ALA A 33	Dist=5.736	INTRA-CHAIN
ILE B 5	TYR A 20	Dist=5.605	INTER-CHAIN

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Protrusion Index:
TYR A 20 N	0.18
TYR A 20 CA	0.21
TYR A 20 C	0.14
TYR A 20 O	0.13
TYR A 20 CB	0.46
TYR A 20 CG	0.47
TYR A 20 CD1	0.48
TYR A 20 CD2	0.58
TYR A 20 CE1	0.45
TYR A 20 CE2	0.59
TYR A 20 CZ	0.50
TYR A 20 OH	0.64

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Van der Waal's Interactions:
TYR A 20 OH 139	ARG A 31 NH2 216	-0.153	INTRA-CHAIN
TYR A 20 OH 139	ALA A 33 CB 228	-0.014	INTRA-CHAIN
TYR A 20 OH 139	LEU A 290 CD2 2097	-0.018	INTRA-CHAIN
ILE B 5 CD1 25	TYR A 20 OH 139	-0.349	INTER-CHAIN