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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|        R|       82|      B|         Y|       21|      A|
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Hydrophobic Interactions:
VAL A 20	TYR A 21	Dist=5.364	INTRA-CHAIN
TYR A 21	VAL A 24	Dist=5.653	INTRA-CHAIN

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Protrusion Index:
TYR A 21 N	0.83
TYR A 21 CA	0.80
TYR A 21 C	0.89
TYR A 21 O	0.75
TYR A 21 CB	0.98
TYR A 21 CG	0.88
TYR A 21 CD1	0.98
TYR A 21 CD2	0.65
TYR A 21 CE1	0.80
TYR A 21 CE2	0.65
TYR A 21 CZ	0.68
TYR A 21 OH	0.60

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Van der Waal's Interactions:
TYR A 21 OH 192	HIS B 80 NE2 1475	-0.030	INTER-CHAIN
TYR A 21 OH 192	ARG B 82 NH2 1498	-1.129	INTER-CHAIN
TYR A 21 OH 192	VAL B 87 CG2 1529	-0.010	INTER-CHAIN
TYR A 21 OH 192	GLU B 91 OE2 1561	-3.009	INTER-CHAIN
TYR A 21 OH 192	LYS B 92 NZ 1570	-0.019	INTER-CHAIN
TYR A 21 OH 192	LYS B 95 NZ 1600	-0.011	INTER-CHAIN