pyridoxal

pyridoxal
The 4-aldehyde of pyridoxine, having a similar physiologic action. SEE ALSO: pyridoxine.
- p. kinase an enzyme that catalyzes the phosphorylation by ATP of p. to p. 5-phosphate and ADP, thus converting the nutrient to the active coenzyme.
- p. 5-phosphate (PLP) a coenzyme essential to many reactions in tissue, notably transaminations and amino acid decarboxylations.

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pyr·i·dox·al .pir-ə-'däk-.sal n a crystalline aldehyde C8H9NO3 of the vitamin B6 group that in the form of its phosphate is active as a coenzyme

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pyr·i·dox·al (pir″ĭ-dokґsəl) one of the forms of vitamin B6> (q.v.).

Medical dictionary. 2011.

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  • Pyridoxal — Structure du pyridoxal Général …   Wikipédia en Français

  • pyridoxal — [ piridɔksal ] n. m. • 1946; de pyridox(ine) et al(déhyde) ♦ Biochim. Aldéhyde dérivé de la pyridoxine et dont une forme constitue le groupement prosthétique de nombreuses enzymes. Des pyridoxals. pyridoxal [piʀidɔksal] n. m. ÉTYM. 1946; de… …   Encyclopédie Universelle

  • pyridoxal — [pir΄ə däk′səl] n. 〚see PYRIDOXINE〛 an aldehyde, C8H9NO3, closely related to vitamin B6 and exhibiting vitamin activity * * * pyr·i·dox·al (pĭr ĭ dŏkʹsəl) n. An aldehyde, C8H9NO3, one of several active forms of pyridoxine, important in amino acid …   Universalium

  • pyridoxal — [pir΄ə däk′səl] n. [see PYRIDOXINE] an aldehyde, C8H9NO3, closely related to vitamin B6 and exhibiting vitamin activity …   English World dictionary

  • Pyridoxal — Chembox new Name = Pyridoxal ImageFile = Pyridoxal.png ImageName = Pyridoxal IUPACName = 3 hydroxy 5 (hydroxymethyl) 2 methyl 4 pyridinecarboxaldehyde Section1 = Chembox Identifiers CASNo = 66 72 8 ChemSpiderID = 1021 SMILES =… …   Wikipedia

  • Pyridoxal — Strukturformel Allgemeines Trivialname Vitamin B6 Andere Namen 4,5 Bis(hydrox …   Deutsch Wikipedia

  • Pyridoxal — Vitamin B6; Pyridoxin; Pyridoxamin * * * Py|ri|d|o|xal [↑ Pyridox u. ↑ al], das; s; systematisches Syn.: 3 Hydroxy 5 hydroxymethyl 2 methylpyridin 4 al: lichtempfindliche Verb. aus der Vitamin B6 Gruppe. Pyridoxal 5 phosphat (Codecarb …   Universal-Lexikon

  • pyridoxal — piridoksalis statusas T sritis chemija formulė HO(HOCH₂)C₅HN(CH₃)CHO atitikmenys: angl. pyridoxal; vitamin B₆ rus. витамин В₆; пиридоксаль ryšiai: sinonimas – 3 hidroksi 5 hidroksimetil 2 metil 4 piridinkarboksaldehidas sinonimas – vitaminas B₆ …   Chemijos terminų aiškinamasis žodynas

  • Pyridoxal phosphate — Pyridoxal phosphate …   Wikipedia

  • pyridoxal phosphate — pyridoxal phosphate. См. пиридоксальфосфат. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Pyridoxal kinase — In enzymology, a pyridoxal kinase (EC number|2.7.1.35) is an enzyme that catalyzes the chemical reaction:ATP + pyridoxal ightleftharpoons ADP + pyridoxal 5 phosphateThus, the two substrates of this enzyme are ATP and pyridoxal, whereas its two… …   Wikipedia

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