Polar, Uncharged, Hydrophilic amino acid. Common site of phosphorylation by protein kinases.

Formula: C3H7NO3
Molecular Weight: 105.09
Structure: (amino acid group)-CH2-OH
Three-letter code: Ser
One-letter code: S

Serine has the following structure:


Its hydroxyl group does not ionize in solution. Serine is often a target for phosphorylation.

Ser"ine (?), n. [L. sericus silken.] Chem.

A white crystalline nitrogenous substance obtained by the action of dilute sulphuric acid on silk gelatin<-- an amino acid -->.


© Webster 1913.

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