Tyrosine Properties:

Class: Aromatic, hydrophobic
pK(COO-): 2.20
pK(NH3+): 9.11
pK(R): 10.07
pI: 5.66
MW: 181 D
Occurence in Proteins: 3.5%

Characteristics

high occurence in beta sheet, bend

(Excerpted from OSU site)