The threonine molecule in 3-D

The threonine molecule - rotatable in 3 dimensions

3 letter code:     thr        1 letter code:    T
Threonine is an amino acid containing a hydroxy group. It may also be known as 2-amino-3-hydroxybutanoic acid.

Like all amino acids, it has an amino group (-NH2)- blue with 2 white balls - at one end, and a carboxylic acid group (-COOH) - grey, connected to red, and red and white - at the other end. Between these is the α- (alpha) carbon to which the 'R' group (and a single -H atom) is attached.

Its 'R' group is -CHOH-CH3.
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