CHEBI:12777 - vitamin A

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ChEBI Name vitamin A
Definition A group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.
Stars This entity has been manually annotated by the ChEBI Team.
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Roles Classification
Biological Role(s): metabolite
Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites.
fat-soluble vitamin
Vitamins like A, D, E and K that dissolve in fats and are stored in body tissues. Unlike the water-soluble vitamins, these are stored in the body for long periods of time and generally pose a greater risk for toxicity when consumed in excess.
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ChEBI Ontology
Outgoing vitamin A (CHEBI:12777) has part all-trans-retinal (CHEBI:17898)
vitamin A (CHEBI:12777) has part all-trans-retinoic acid (CHEBI:15367)
vitamin A (CHEBI:12777) has part all-trans-retinol (CHEBI:17336)
vitamin A (CHEBI:12777) has part all-trans-retinyl ester (CHEBI:63410)
vitamin A (CHEBI:12777) has role fat-soluble vitamin (CHEBI:24020)
vitamin A (CHEBI:12777) has role metabolite (CHEBI:25212)
vitamin A (CHEBI:12777) is a retinoid (CHEBI:26537)
Incoming all-trans-3,4-didehydroretinoic acid (CHEBI:133794) is a vitamin A (CHEBI:12777)
all-trans-3,4-didehydroretinol (CHEBI:132246) is a vitamin A (CHEBI:12777)
Manual Xref Database
Vitamin_A Wikipedia
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Last Modified
06 May 2021