Structural features of residue 21 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|      114|      B|         Y|       21|      A|
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Hydrophobic Interactions:
LEU A 17	TYR A 21	Dist=6.051	INTRA-CHAIN
LEU A 18	TYR A 21	Dist=5.696	INTRA-CHAIN
TYR A 21	ILE A 22	Dist=5.189	INTRA-CHAIN

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Protrusion Index:
TYR A 21 N	0.63
TYR A 21 CA	0.49
TYR A 21 C	0.47
TYR A 21 O	0.45
TYR A 21 CB	0.33
TYR A 21 CG	0.29
TYR A 21 CD1	0.33
TYR A 21 CD2	0.19
TYR A 21 CE1	0.34
TYR A 21 CE2	0.21
TYR A 21 CZ	0.29
TYR A 21 OH	0.35

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Van der Waal's Interactions:
TYR A 21 OH 160	ILE A 22 CD1 168	-0.020	INTRA-CHAIN
TYR A 21 OH 160	MET A 28 CE 212	-0.008	INTRA-CHAIN
TYR A 21 OH 160	PHE A 103 CZ 810	-0.008	INTRA-CHAIN
TYR A 21 OH 160	LEU B 113 CD2 894	-0.041	INTER-CHAIN
TYR A 21 OH 160	ALA B 114 CB 899	-0.940	INTER-CHAIN
TYR A 21 OH 160	ILE B 117 CD1 927	-0.010	INTER-CHAIN
TYR A 21 OH 160	ARG B 118 NH2 938	-0.008	INTER-CHAIN