pterin

pterin
Term loosely used for any of the compounds containing pteridine; specifically, 2-amino-4-hydroxypteridine. Some pteridines ( e.g., xanthopterin, leucopterin) still retain the p. root.
- p. deaminase an aminohydrolase catalyzing hydrolytic deamination of 2-amino-4-hydroxypteridine to form 2,4-dihydroxypteridine and ammonia.

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pter·in 'ter-ən n any of various compounds that contain the bicyclic ring system characteristic of pteridine

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pter·in (terґin) [Gr. pteron wing] the 2-amino, 4-hydroxy derivative of pteridine; the term is also used to denote the class of compounds containing such a ring structure, such as tetrahydrobiopterin or folic acid. Pterins are so named because they were first identified in the wings of butterflies.

Medical dictionary. 2011.

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  • Pterin — Strukturformel Allgemeines Name Pterin Andere Namen 2 …   Deutsch Wikipedia

  • Pterin — Chembox new ImageFile = pterin structure.png ImageSize = 200px IUPACName = 2 amino 1H pteridin 4 one OtherNames =Pteridoxamine Pterine 4 Oxopterin 2 Amino 4 pteridone 2 Amino 4 hydroxypteridine 2 Amino 4 oxopteridine 2 aminopteridin 4 ol 2 Amino… …   Wikipedia

  • Pterin deaminase — In enzymology, a pterin deaminase (EC number|3.5.4.11) is an enzyme that catalyzes the chemical reaction:2 amino 4 hydroxypteridine + H2O ightleftharpoons 2,4 dihydroxypteridine + NH3Thus, the two substrates of this enzyme are 2 amino 4… …   Wikipedia

  • pterin — noun Etymology: International Scientific Vocabulary pter (from Greek pteron wing) + 1 in; from its being a factor in the pigments of butterfly wings Date: 1934 any of various compounds that contain the bicyclic ring system characteristic of… …   New Collegiate Dictionary

  • pterin — noun A chemical compound responsible for some of the colouring in nature. It is also a component of folic acid …   Wiktionary

  • Pterin — Pte|rin [↑ Pter u. ↑ in (3)]: das; s, e: ↑ Pteridin …   Universal-Lexikon

  • pterin — pter·in …   English syllables

  • pterin — ˈterə̇n noun ( s) Etymology: International Scientific Vocabulary pter + in; originally formed in German; from its being a factor in the pigments of butterfly wings : a compound containing the pteridine ring system …   Useful english dictionary

  • pterin-4α-carbinolamine dehydratase — (PCD) pter·in 4α car·bin·ol·amine de·hy·dra·tase (PCD) (terґin kahr″bin olґə mēn de hiґdrə tās) 4a hydroxytetrahydrobiopterin dehydratase …   Medical dictionary

  • PCBD1 — Pterin 4 alpha carbinolamine dehydratase/dimerization cofactor of hepatocyte nuclear factor 1 alpha PDB rendering based on 1dch …   Wikipedia

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