Hydroxylation

... for the function or regulation of a protein; for example, the carboxylation of glutamate allows for better binding of calcium cations, and the hydroxylation of proline is critical for maintaining connective tissues and responding to oxygen starvation. Such modifications can also determine the ...

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... | Formylation | Myristoylation | Pyroglutamate C-terminus: Amidation | Glycosyl phosphatidylinositol (GPI) Lysine: Methylation | Acetylation | Hydroxylation | Ubiquitination | SUMOylation | Desmosine Cysteine: Disulfide bond | Prenylation | Palmitoylation Serine/Threonine: Phosphorylation | ...

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... Then DOPA is decarboxylized by DOPA decarboxylase to yield dopamine. Serotonin is made from tryptophan in the following way: first there's a hydroxylation by tryptophan - 5 - hydroxylase. Then the product is decarboxylized to yield serotonin.

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