Side chain polarity Reset Display the phenol moiety as Ball & Stick. Some facts on L-tyrosine. Abbreviation: Tyr. One-letter code: Y, as in "tYrosine". Molecular mass: 181 daltons. Side chain (or R-group) features: Structural formula: Formula: -CH2-phenyl-OH; Category: hydrophobic; aromatic. pKa: 10.1. Return to image of Tyr.
Some facts on L-tyrosine.