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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2006-02-16 11:10:57 UTC
Update Date2022-03-07 02:49:10 UTC
HMDB IDHMDB0001852
Secondary Accession Numbers
  • HMDB01852
Metabolite Identification
Common Nameall-trans-Retinoic acid
Descriptionall-trans-Retinoic acid is an isomer of retinoic acid, the oxidized form of vitamin A. Retinoic acid functions in determining position along embryonic anterior/posterior axis in chordates. It acts through Hox genes, which ultimately controls anterior/posterior patterning in early developmental stages (PMID:17495912 ). It is an important regulator of gene expression during growth and development, and in neoplasms. As a drug, all-trans-retinoic acid is known as tretinoin. Tretinoin is derived from maternal vitamin A and is essential for normal growth and embryonic development. An excess of tretinoin can be teratogenic. Tretinoin is used in the treatment of psoriasis, acne vulgaris, and several other skin diseases. It has also been approved for use in promyelocytic leukemia (leukemia, promyelocytic, acute).
Structure
Thumb
Synonyms
Chemical FormulaC20H28O2
Average Molecular Weight300.442
Monoisotopic Molecular Weight300.208930142
IUPAC Name(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenoic acid
Traditional Nametretinoin
CAS Registry Number302-79-4
SMILES
C\C(\C=C\C1=C(C)CCCC1(C)C)=C/C=C/C(/C)=C/C(O)=O
InChI Identifier
InChI=1S/C20H28O2/c1-15(8-6-9-16(2)14-19(21)22)11-12-18-17(3)10-7-13-20(18,4)5/h6,8-9,11-12,14H,7,10,13H2,1-5H3,(H,21,22)/b9-6+,12-11+,15-8+,16-14+
InChI KeySHGAZHPCJJPHSC-YCNIQYBTSA-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
  • Methyl-branched fatty acid
  • Fatty acyl
  • Unsaturated fatty acid
  • Fatty acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Biological locationSource
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point181 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogP6.30HANSCH,C ET AL. (1995)
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane (predicted from logP)
  • Nucleus
  • Endoplasmic reticulum
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Adipose Tissue
  • Adrenal Cortex
  • Adrenal Gland
  • Bladder
  • Brain
  • Epidermis
  • Fibroblasts
  • Intestine
  • Kidney
  • Liver
  • Lung
  • Neuron
  • Pancreas
  • Placenta
  • Platelet
  • Prostate
  • Spleen
  • Testis
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified0.20 +/- 0.18 uMAdult (>18 years old)FemaleNormal
    • Geigy Scientific ...
details
BloodDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
BloodDetected and Quantified0.0145 +/- 0.0092 uMAdult (>18 years old)BothNormal details
UrineDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB022710
KNApSAcK IDNot Available
Chemspider ID392618
KEGG Compound IDC00777
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkTretinoin
METLIN IDNot Available
PubChem Compound444795
PDB IDNot Available
ChEBI ID15367
Food Biomarker OntologyNot Available
VMH IDRETN
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceSolladie, Guy; Girardin, Andre. Highly stereoselective synthesis of vitamin A and all-trans retinoic acid by low-valent titanium induced reductive elimination. Tetrahedron Letters (1988), 29(2), 213-16.
Material Safety Data Sheet (MSDS)Not Available
General References

Only showing the first 10 proteins. There are 59 proteins in total.

Enzymes

General function:
Involved in oxidoreductase activity
Specific function:
Binds free retinal and cellular retinol-binding protein-bound retinal. Can convert/oxidize retinaldehyde to retinoic acid (By similarity).
Gene Name:
ALDH1A1
Uniprot ID:
P00352
Molecular weight:
54861.44
Reactions
Retinal + NAD + Water → all-trans-Retinoic acid + NADH + Hydrogen Iondetails
General function:
Involved in oxidoreductase activity
Specific function:
Recognizes as substrates free retinal and cellular retinol-binding protein-bound retinal. Does metabolize octanal and decanal but does not metabolize citral, benzaldehyde, acetaldehyde and propanal efficiently (By similarity).
Gene Name:
ALDH1A2
Uniprot ID:
O94788
Molecular weight:
54672.24
Reactions
Retinal + NAD + Water → all-trans-Retinoic acid + NADH + Hydrogen Iondetails
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 transferase activity, transferring hexosyl groups
Specific function:
UDPGTs are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isozyme has glucuronidating capacity with steroid substrates such as 5-beta-androstane 3-alpha,17-beta-diol, estradiol, ADT, eugenol and bile acids. Only isoform 1 seems to be active.
Gene Name:
UGT2B28
Uniprot ID:
Q9BY64
Molecular weight:
38742.9
Reactions
all-trans-Retinoic acid + Uridine diphosphate glucuronic acid → Retinoyl b-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGTs are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isozyme is active on polyhydroxylated estrogens (such as estriol, 4-hydroxyestrone and 2-hydroxyestriol) and xenobiotics (such as 4-methylumbelliferone, 1-naphthol, 4-nitrophenol, 2-aminophenol, 4-hydroxybiphenyl and menthol). It is capable of 6 alpha-hydroxyglucuronidation of hyodeoxycholic acid.
Gene Name:
UGT2B4
Uniprot ID:
P06133
Molecular weight:
60512.035
Reactions
all-trans-Retinoic acid + Uridine diphosphate glucuronic acid → Retinoyl b-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform glucuronidates bilirubin IX-alpha to form both the IX-alpha-C8 and IX-alpha-C12 monoconjugates and diconjugate.
Gene Name:
UGT1A4
Uniprot ID:
P22310
Molecular weight:
60024.535
Reactions
all-trans-Retinoic acid + Uridine diphosphate glucuronic acid → Retinoyl b-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds.
Gene Name:
UGT2B10
Uniprot ID:
P36537
Molecular weight:
60773.485
Reactions
all-trans-Retinoic acid + Uridine diphosphate glucuronic acid → Retinoyl b-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. Its unique specificity for 3,4-catechol estrogens and estriol suggests it may play an important role in regulating the level and activity of these potent and active estrogen metabolites. Is also active with androsterone, hyodeoxycholic acid and tetrachlorocatechol (in vitro).
Gene Name:
UGT2B7
Uniprot ID:
P16662
Molecular weight:
60720.15
Reactions
all-trans-Retinoic acid + Uridine diphosphate glucuronic acid → Retinoyl b-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGTs are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isozyme displays activity toward several classes of xenobiotic substrates, including simple phenolic compounds, 7-hydroxylated coumarins, flavonoids, anthraquinones, and certain drugs and their hydroxylated metabolites. It also catalyzes the glucuronidation of endogenous estrogens and androgens.
Gene Name:
UGT2B15
Uniprot ID:
P54855
Molecular weight:
61035.815
Reactions
all-trans-Retinoic acid + Uridine diphosphate glucuronic acid → Retinoyl b-glucuronide + Uridine 5'-diphosphatedetails
General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDP-glucuronosyltransferases catalyze phase II biotransformation reactions in which lipophilic substrates are conjugated with glucuronic acid to increase water solubility and enhance excretion. They are of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. Active on odorants and seems to be involved in olfaction; it could help clear lipophilic odorant molecules from the sensory epithelium.
Gene Name:
UGT2A1
Uniprot ID:
Q9Y4X1
Molecular weight:
60771.605
Reactions
all-trans-Retinoic acid + Uridine diphosphate glucuronic acid → Retinoyl b-glucuronide + Uridine 5'-diphosphatedetails

Transporters

General function:
Involved in binding
Specific function:
Cytosolic CRABPs may regulate the access of retinoic acid to the nuclear retinoic acid receptors
Gene Name:
CRABP1
Uniprot ID:
P29762
Molecular weight:
15565.4
General function:
Involved in binding
Specific function:
Transports retinoic acid to the nucleus. Regulates the access of retinoic acid to the nuclear retinoic acid receptors
Gene Name:
CRABP2
Uniprot ID:
P29373
Molecular weight:
15692.9

Only showing the first 10 proteins. There are 59 proteins in total.