-
Dihydrobiopterin (BH2) is a
pteridine compound produced in the
synthesis of L-DOPA, dopamine, serotonin,
norepinephrine and epinephrine. It is restored...
-
deficiency of the
enzyme dihydrobiopterin reductase (DHPR),
whose activity is
needed to
replenish qui****id-
dihydrobiopterin back into its tetrahydrobiopterin...
- (dihydropteridine reductase)
reduced pteridine derivative (qui****id
dihydrobiopterin).[citation needed]
Tetrahydrobiopterin is
available as a
tablet for...
-
reductase (L-threo-7,8-
dihydrobiopterin forming) (EC 1.1.1.325) is an
enzyme with
systematic name L-threo-7,8-
dihydrobiopterin:NADP+ oxidoreductase. This...
- In enzymology, 6,7-dihydropteridine
reductase (EC 1.5.1.34, also
Dihydrobiopterin reductase) is an
enzyme that
catalyzes the
chemical reaction 5,6,7...
-
classes of
substituted pteridines that have
diverse biological roles.
Dihydrobiopterin Pyrazine Pyrimidine Tetrahydrobiopterin International Union of Pure...
- that in
humans is
encoded by the SPR gene.
Sepiapterin reductase (7,8-
dihydrobiopterin:NADP+ oxidoreductase; EC 1.1.1.153)
catalyzes the NADPH-dependent reduction...
-
tetrahydrobiopterin + O2 ⇌ {\displaystyle \rightleftharpoons } 5-Hydroxytryptophan +
dihydrobiopterin + H2O It
employs one
additional cofactor, iron. It is
responsible for...
- to high
levels of prolactin. By contrast, in
classical PKU (without
dihydrobiopterin involvement),
prolactin levels would be
relatively normal.[citation...
-
donors such as S-adenosyl
methionine (SAMe),
recycles the
inactive dihydrobiopterin (BH2) into
tetrahydrobiopterin (BH4), the
necessary cofactor in various...
