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pteridine

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Pteridine - Wikipedia
A pteridine is a bicyclic heterocyclic system with two nitrogen atoms at positions 1 and 4 in ring A, and two nitrogen atoms at positions 1 and 3 in ring B. en.wikipedia.org
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Pteridine - an overview | ScienceDirect Topics
Pteridine is defined as a compound that consists of fused pyridine and pyrazine rings, and is commonly used to refer to all substituted pteridines, particularly ... www.sciencedirect.com
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Pteridines | DrugBank Online
Pteridines are compounds based on pyrazino[2,3-d]pyrimidine, a pyrimidine fused to a pyrazine, containing four nitrogen atoms. go.drugbank.com
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pteridine
pteridine Chem. (ˈtɛrɪdiːn) Also † -in. [ad. G. pteridin (C. Schöpf et al. 1941, in Ann. d. Chem. DXLVIII. 83): see pterin and -idine.] A synthetic yellow crystalline solid, C6H4N4, which has a bicyclic structure formed from fused pyrazine and pyrimidine rings; any derivative of this, many examples ... Oxford English Dictionary
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PTERIDINE Definition & Meaning - Merriam-Webster
The meaning of PTERIDINE is a yellow crystalline bicyclic base C6H4N4; broadly : any of a class of compounds (such as the pterins) that have the bicyclic ... www.merriam-webster.com
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Pteridine | C6H4N4 | CID 1043 - PubChem
Pteridine is a mancude organic heterobicyclic parent, an azaarene, an ortho-fused heteroarene and a member of pteridines. pubchem.ncbi.nlm.nih.gov
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Pteridine - an overview | ScienceDirect Topics
Pteridine is a heterocyclic compound composed of a pyrimidine ring and a pyrazine ring; pterins are pteridines containing a carbonyl oxygen and an amino group ... www.sciencedirect.com
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Therapeutic potential of pteridine derivatives: A comprehensive review
Pteridines are aromatic compounds formed by fused pyrazine and pyrimidine rings. Many living organisms synthesize pteridines, where they act ... pubmed.ncbi.nlm.nih.gov
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CHEBI:27601 - pteridine - EMBL-EBI
Chemical Entities of Biological Interest (ChEBI) is a freely available dictionary of molecular entities focused on 'small' chemical ... www.ebi.ac.uk
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Cooption of the pteridine biosynthesis pathway underlies the ... - PNAS
We found that the pteridine biosynthesis pathway, originally active in the eyes, has been coopted in the embryo to produce various colors in the antennae and ... www.pnas.org
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Pteridine Components of Wing Pigmentation in the Butterfly Colias ...
Pteridine pigments were first described by Hopkins 1 from the wings of pierid butterflies, and the first chemical characterization of several pteridines from ... www.nature.com
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Pteridine reductase
In enzymology, a pteridine reductase () is an enzyme that catalyzes the chemical reaction 5,6,7,8-tetrahydrobiopterin + 2 NADP+ biopterin + 2 NADPH + Other names in common use include PTR1, and pteridine reductase 1. wikipedia.org
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triamterene
triamterene, n. Pharm. (traɪˈæmtəriːn) Also triamterine. [f. triamine n. + -terene altered f. pteridine n.] A yellow crystalline powder, C12H11N7 , used as a mild diuretic, usu. as an adjunct to other diuretic drugs in cases where increased excretion of potassium is undesirable; 6-phenylpteridine-2,... Oxford English Dictionary
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Pteridine oxidase
In enzymology, a pteridine oxidase () is an enzyme that catalyzes the chemical reaction 2-amino-4-hydroxypteridine + O2 2-amino-4,7-dihydroxypteridine wikipedia.org
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pterin
pterin Chem. (ˈtɛrɪn) Also -ine. [a. G. pterin (Wieland & Schöpf 1925, in Ber. d. Deut. Chem. Ges. LVIII. 2178), f. Gr. πτερ-όν wing, feather: see -in1.] Any of a class of naturally occurring pteridine derivatives found esp. as insect pigments; more generally, any pteridine.1934 Chem. Abstr. XXVIII.... Oxford English Dictionary
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