- and 4 in ring A, and two
nitrogen atoms at
positions 1 and 3 in ring B.
Pteridines constitute a
large group of
heterocyclic compounds containing a wide variety...
- many bird
species result from the
presence of
other pigments, such as
pteridines, purines, and carotenoids.
Humans and
other animals have many phenotypic...
- In enzymology, a
pteridine oxidase (EC 1.17.3.1) is an
enzyme that
catalyzes the
chemical reaction 2-amino-4-hydroxypteridine + O2 ⇌ {\displaystyle \rightleftharpoons...
- In enzymology, a
pteridine reductase (EC 1.5.1.33) is an
enzyme that
catalyzes the
chemical reaction 5,6,7,8-tetrahydrobiopterin + 2 NADP+ ⇌ {\displaystyle...
-
essential for the
biosynthesis of
purines and one pyrimidine.
Substituted pteridines are
intermediates in the
biosynthesis of
dihydrofolic acid in many microorganisms...
- PMID 27320965. S2CID 40014874.
Pfleiderer W (February 2008). "
Pteridines. Part CXIX. A New
Pteridine–Purine Transformation".
Helvetica Chimica Acta. 91 (2):...
- "schemochromes". The
biochromes include true pigments, such as
carotenoids and
pteridines.
These pigments selectively absorb parts of the
visible light spectrum...
-
IUPAC name 7,8-Dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]
pteridine-2,4-dione CAS
Number 83-88-5 Y
PubChem CID 493570 IUPHAR/BPS 6578 DrugBank...
-
distinct chemical moieties linked together. A
pterin (2-amino-4-hydroxy-
pteridine)
heterocyclic ring is
linked by a
methylene bridge to a p-aminobenzoyl...
- erythrop****s (red):
contain reddish pigments such as
carotenoids and
pteridine melanop****s (black/brown):
contain black and
brown pigments such as the...