-
Tetrahydrobiopterin (BH4, THB), also
known as
sapropterin (INN), is a
cofactor of the
three aromatic amino acid
hydroxylase enzymes, used in the degradation...
-
Tetrahydrobiopterin deficiency (THBD, BH4D) is a rare
metabolic disorder that
increases the
blood levels of phenylalanine.
Phenylalanine is an
amino acid...
- ****emblies of phenylalanine. A
rarer form of
hyperphenylalaninemia is
tetrahydrobiopterin deficiency,
which occurs when the PAH
enzyme is normal, and a defect...
-
insertion of
molybdate into MPT to form Moco (molybdenum cofactor).
Tetrahydrobiopterin, the
major unconjugated pterin in vertebrates, is
involved in three...
- hydroxylases. TPH
catalyzes the
following chemical reaction L-tryptophan +
tetrahydrobiopterin + O2 ⇌ {\displaystyle \rightleftharpoons } 5-Hydroxytryptophan +...
- does so
using molecular oxygen (O2), as well as iron (Fe2+) and
tetrahydrobiopterin as cofactors. L-DOPA is a
precursor for dopamine, which, in turn...
-
aromatic amino acid hydroxylases, a
class of
monooxygenase that uses
tetrahydrobiopterin (BH4, a
pteridine cofactor) and a non-heme iron for catalysis. During...
- (eventually,
limited availability) of the ****ociated cofactors, iron or
tetrahydrobiopterin. [citation needed] The
corresponding enzymes for
those compounds...
- chemicals.
Sepiapterin can be
metabolized into
tetrahydrobiopterin via a
salvage pathway.
Tetrahydrobiopterin is an
essential cofactor in
humans for breakdown...
- and
tetrahydrobiopterin as cofactors. L-Tyrosine is
converted into L-DOPA by
another AAAH
enzyme (tyrosine 3-hydroxylase) with
tetrahydrobiopterin, O2...
