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Results 11 - 12 of 12

EC Number	Natural Substrates	Commentary (Nat. Sub.)
4.2.1.96	more	both PhhB and phenylalanine hydroxylase (PhhA) are induced coordinately in the presence of either L-tyrosine or L-phenylalanine, but PhhB exhibits a significant basal level of activity that is lacking for PhhA. PhhA and PhhB form a protein-protein complex
4.2.1.96	more	dehydratase/DCoHalpha, has the kinetic properties necessary for regenerating tetrahydrobiopterin cofactor for phenylalanine hydroxylase. Properties of dehydratase/DCoHalpha are consistent with the hypothesis that the activity of this isozyme could account for the relatively mild symptoms reported for patients with a defect in dehydratase/DCoH

Results 11 - 12 of 12

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Release 2026.1 (March 2026)