Side chain polarity Reset Display the secondary alcohol group as Ball & Stick. Some facts on L-threonine. Abbreviation: Thr. One-letter code: T. Molecular mass: 119 daltons. Side chain (or R-group) features: Structural formula: Formula: -CH(-OH)-CH3; Category: polar; neutral. pKa: none. Return to image of Thr.
Some facts on L-threonine.