CATH Classification

Domain Context

CATH Clusters

Superfamily Aromatic amino acid hydroxylase
Functional Family Tyrosine 3-monooxygenase

Enzyme Information

1.14.16.2
Tyrosine 3-monooxygenase.
based on mapping to UniProt P04177
L-tyrosine + tetrahydrobiopterin + O(2) = L-dopa + 4a-hydroxytetrahydrobiopterin.
-!- Activated by phosphorylation, catalyzed by EC 2.7.11.27. -!- The 4a-hydroxytetrahydrobiopterin formed can dehydrate to 6,7- dihydrobiopterin, both spontaneously and by the action of EC 4.2.1.96. -!- The 6,7-dihydrobiopterin can be enzymically reduced back to tetrahydrobiopterin, by EC 1.5.1.34, or slowly rearranges into the more stable compound 7,8-dihydrobiopterin.

UniProtKB Entries (1)

P04177
TY3H_RAT
Rattus norvegicus
Tyrosine 3-monooxygenase

PDB Structure

PDB 2TOH
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Crystal structure of tyrosine hydroxylase with bound cofactor analogue and iron at 2.3 A resolution: self-hydroxylation of Phe300 and the pterin-binding site.
Goodwill, K.E., Sabatier, C., Stevens, R.C.
Biochemistry
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