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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2009-06-18 12:29:07 UTC
Update Date2022-03-07 02:51:25 UTC
HMDB IDHMDB0012452
Secondary Accession Numbers
  • HMDB0061095
  • HMDB12452
  • HMDB61095
Metabolite Identification
Common Nameall-trans-18-Hydroxyretinoic acid
Descriptionall-trans-18-Hydroxyretinoic acid, also known as 18-hydroxyretinoic acid, is classified as a member of the retinoids. Retinoids are oxygenated derivatives of 3,7-dimethyl-1-(2,6,6-trimethylcyclohex-1-enyl)nona-1,3,5,7-tetraene and derivatives thereof. all-trans-18-Hydroxyretinoic acid is considered to be a practically insoluble (in water) and a weakly acidic compound. all-trans-18-Hydroxyretinoic acid is an isoprenoid lipid molecule. Within a cell, all-trans-18-hydroxyretinoic acid is primarily located in the extracellular space and near the membrane. 18-Hydroxyretinoic acid is a metabolite of tretinoin. Tretinoin is the acid form of vitamin A and is also known as all-trans retinoic acid or ATRA. It is a drug commonly used to treat acne vulgaris and keratosis pilaris. It is available as a cream or gel (brand names Aberela, Airol, Renova, Atralin, Retin-A, Avita, Retacnyl, Refissa, or Stieva-A). It is also used to treat acute promyelocytic leukemia (APL) and is sold for this indication by Roche under the brand name Vesanoid. It is also available as a generic. (Wikipedia)
Structure
Thumb
Synonyms
ValueSource
18-Hydroxy-all-trans-retinoic acidChEBI
18-Hydroxyretinoic acidChEBI
all-trans-9-(2-(Hydroxymethyl)-6,6-dimethyl-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraenoic acidChEBI
18-Hydroxy-all-trans-retinoateGenerator
18-HydroxyretinoateGenerator
all-trans-9-(2-(Hydroxymethyl)-6,6-dimethyl-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraenoateGenerator
all-trans-18-HydroxyretinoateGenerator
rac-18-Hydroxy-all-trans-retinoateHMDB
rac-18-Hydroxy-all-trans-retinoic acidHMDB
all-trans-18-Hydroxyretinoic acidHMDB
Chemical FormulaC20H28O3
Average Molecular Weight316.4345
Monoisotopic Molecular Weight316.203844762
IUPAC Name(2E,4E,6E,8E)-9-[2-(hydroxymethyl)-6,6-dimethylcyclohex-1-en-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoic acid
Traditional Name(2E,4E,6E,8E)-9-[2-(hydroxymethyl)-6,6-dimethylcyclohex-1-en-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoic acid
CAS Registry Number63531-93-1
SMILES
C\C(\C=C\C1=C(CO)CCCC1(C)C)=C/C=C/C(/C)=C/C(O)=O
InChI Identifier
InChI=1S/C20H28O3/c1-15(7-5-8-16(2)13-19(22)23)10-11-18-17(14-21)9-6-12-20(18,3)4/h5,7-8,10-11,13,21H,6,9,12,14H2,1-4H3,(H,22,23)/b8-5+,11-10+,15-7+,16-13+
InChI KeyXSJOIRFEYHJNAW-FCKHSPHMSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as retinoids. These are oxygenated derivatives of 3,7-dimethyl-1-(2,6,6-trimethylcyclohex-1-enyl)nona-1,3,5,7-tetraene and derivatives thereof.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassRetinoids
Direct ParentRetinoids
Alternative Parents
Substituents
  • Retinoic acid
  • Diterpenoid
  • Retinoid skeleton
  • Medium-chain fatty acid
  • Branched fatty acid
  • Hydroxy fatty acid
  • Methyl-branched fatty acid
  • Fatty acyl
  • Fatty acid
  • Unsaturated fatty acid
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Hydrocarbon derivative
  • Organic oxide
  • Alcohol
  • Carbonyl group
  • Organic oxygen compound
  • Organooxygen compound
  • Primary alcohol
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB029068
KNApSAcK IDNot Available
Chemspider ID5005673
KEGG Compound IDC16679
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound6506224
PDB IDNot Available
ChEBI ID80657
Food Biomarker OntologyNot Available
VMH IDCE2957
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.

Enzymes

General function:
Involved in monooxygenase activity
Specific function:
Catalyzes the omega- and (omega-1)-hydroxylation of various fatty acids such as laurate, myristate and palmitate. Has little activity toward prostaglandins A1 and E1. Oxidizes arachidonic acid to 20-hydroxyeicosatetraenoic acid (20-HETE).
Gene Name:
CYP4A11
Uniprot ID:
Q02928
Molecular weight:
59347.31
Reactions
all-trans-Retinoic acid + NADPH + Hydrogen Ion + Oxygen → all-trans-18-Hydroxyretinoic acid + NADP + Waterdetails
General function:
Involved in monooxygenase activity
Specific function:
Catalyzes the omega- and (omega-1)-hydroxylation of various fatty acids such as laurate and palmitate. Shows no activity towards arachidonic acid and prostaglandin A1. Lacks functional activity in the kidney and does not contribute to renal 20-hydroxyeicosatetraenoic acid (20-HETE) biosynthesis.
Gene Name:
CYP4A22
Uniprot ID:
Q5TCH4
Molecular weight:
59245.28
Reactions
all-trans-Retinoic acid + NADPH + Hydrogen Ion + Oxygen → all-trans-18-Hydroxyretinoic acid + NADP + Waterdetails