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Identification
YMDB IDYMDB00577
Nametryptophol
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
DescriptionTryptophol is a degradation product of tryptophan. It induces sleep in humans and is also found in wine as a secondary product of alcoholic fermentation. [Biocyc PWY-3162]
Structure
Thumb
Synonyms
  • β-(3-Indole)ethanol
  • 1H-Indole-3-ethanol
  • 1H-indolyl-3-ethanol
  • 2-(1H-Indol-3-yl)ethanol
  • 2-(3-Indolyl)ethanol
  • 2-(3-Indolylethanol
  • 2-(indol-3-yl)ethanol
  • 3-(β-Hydroxyethyl)indole
  • 3-(2-Hydroxyethyl)indole
  • 3-(b-Hydroxyethyl)indole
  • 3-(beta-Hydroxyethyl)indole
  • 3-Indoleethanol
  • 3-Indolylethanol
  • b-(3-Indole)ethanol
  • beta-(3-Indole)ethanol
  • beta-Indol-3-ylethanol
  • dl-Tryptophanol
  • Ethanol, 2-indol-3-yl-
  • Ethanol, 3-indolyl-
  • IEA
  • Indole ethanol
  • Indole-3-ethanol
  • Indoleethanol
  • Tryptophol
  • Tryptophanol
CAS number526-55-6
WeightAverage: 161.2004
Monoisotopic: 161.084063979
InChI KeyMBBOMCVGYCRMEA-UHFFFAOYSA-N
InChIInChI=1S/C10H11NO/c12-6-5-8-7-11-10-4-2-1-3-9(8)10/h1-4,7,11-12H,5-6H2
IUPAC Name2-(1H-indol-3-yl)ethan-1-ol
Traditional IUPAC Nametryptophol
Chemical FormulaC10H11NO
SMILESOCCC1=CNC2=CC=CC=C12
Chemical Taxonomy
Description belongs to the class of organic compounds known as 3-alkylindoles. 3-alkylindoles are compounds containing an indole moiety that carries an alkyl chain at the 3-position.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassIndoles
Direct Parent3-alkylindoles
Alternative Parents
Substituents
  • 3-alkylindole
  • Benzenoid
  • Substituted pyrrole
  • Heteroaromatic compound
  • Pyrrole
  • Azacycle
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Primary alcohol
  • Organooxygen compound
  • Organonitrogen compound
  • Alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Physical Properties
StateSolid
Charge0
Melting point59 °C
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility1.61 g/LALOGPS
logP1.82ALOGPS
logP1.59ChemAxon
logS-2ALOGPS
pKa (Strongest Acidic)15.8ChemAxon
pKa (Strongest Basic)-2.4ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area36.02 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity48.72 m³·mol⁻¹ChemAxon
Polarizability17.88 ųChemAxon
Number of Rings2ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • extracellular
  • mitochondrion
  • cytoplasm
Organoleptic PropertiesNot Available
SMPDB Pathways
Tryptophan metabolismPW002442 ThumbThumb?image type=greyscaleThumb?image type=simple
KEGG Pathways
Tryptophan metabolismec00380 Map00380
SMPDB Reactions
Indoleacetaldehyde + NADH + hydronNAD + tryptophol
KEGG Reactions
Indoleacetaldehyde + NADH + hydronNAD + tryptophol
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
References
References:
  • Herrgard, M. J., Swainston, N., Dobson, P., Dunn, W. B., Arga, K. Y., Arvas, M., Bluthgen, N., Borger, S., Costenoble, R., Heinemann, M., Hucka, M., Le Novere, N., Li, P., Liebermeister, W., Mo, M. L., Oliveira, A. P., Petranovic, D., Pettifer, S., Simeonidis, E., Smallbone, K., Spasic, I., Weichart, D., Brent, R., Broomhead, D. S., Westerhoff, H. V., Kirdar, B., Penttila, M., Klipp, E., Palsson, B. O., Sauer, U., Oliver, S. G., Mendes, P., Nielsen, J., Kell, D. B. (2008). "A consensus yeast metabolic network reconstruction obtained from a community approach to systems biology." Nat Biotechnol 26:1155-1160.18846089
  • Vuralhan, Z., Morais, M. A., Tai, S. L., Piper, M. D., Pronk, J. T. (2003). "Identification and characterization of phenylpyruvate decarboxylase genes in Saccharomyces cerevisiae." Appl Environ Microbiol 69:4534-4541.12902239
  • Leskovac, V., Trivic, S., Pericin, D. (2002). "The three zinc-containing alcohol dehydrogenases from baker's yeast, Saccharomyces cerevisiae." FEMS Yeast Res 2:481-494.12702265
  • Dickinson, J. R., Salgado, L. E., Hewlins, M. J. (2003). "The catabolism of amino acids to long chain and complex alcohols in Saccharomyces cerevisiae." J Biol Chem 278:8028-8034.12499363
Synthesis Reference:Snyder, H. R.; Pilgrim, Frederick J. Preparation of 3-indoleacetic acid; new synthesis of tryptophol. Journal of the American Chemical Society (1948), 70 3770-1.
External Links:
ResourceLink
CHEBI ID17890
HMDB IDHMDB03447
Pubchem Compound ID10685
Kegg IDC00955
ChemSpider ID10235
FOODB IDFDB030938
WikipediaTryptophol
BioCyc IDCPD-341

Enzymes

General function:
Involved in zinc ion binding
Specific function:
An alcohol + NAD(+) = an aldehyde or ketone + NADH
Gene Name:
ADH3
Uniprot ID:
P07246
Molecular weight:
40369.19922
Reactions
An alcohol + NAD(+) → an aldehyde or ketone + NADH.
General function:
Involved in zinc ion binding
Specific function:
Oxidizes long-chain alcohols and, in the presence of glutathione, is able to oxidize formaldehyde. Is responsible for yeast resistance to formaldehyde
Gene Name:
SFA1
Uniprot ID:
P32771
Molecular weight:
41041.69922
Reactions
S-(hydroxymethyl)glutathione + NAD(P)(+) → S-formylglutathione + NAD(P)H.
An alcohol + NAD(+) → an aldehyde or ketone + NADH.
General function:
Involved in zinc ion binding
Specific function:
This isozyme preferentially catalyzes the conversion of primary unbranched alcohols to their corresponding aldehydes. Also also shows activity toward secondary alcohols
Gene Name:
ADH1
Uniprot ID:
P00330
Molecular weight:
36849.0
Reactions
An alcohol + NAD(+) → an aldehyde or ketone + NADH.
General function:
Involved in oxidoreductase activity
Specific function:
Reduces acetaldehyde to ethanol during glucose fermentation. Specific for ethanol. Shows drastically reduced activity towards primary alcohols from 4 carbon atoms upward. Isomers of aliphatic alcohol, as well as secondary alcohols and glycerol are not used at all
Gene Name:
ADH4
Uniprot ID:
P10127
Molecular weight:
41141.69922
Reactions
An alcohol + NAD(+) → an aldehyde or ketone + NADH.
General function:
Involved in zinc ion binding
Specific function:
An alcohol + NAD(+) = an aldehyde or ketone + NADH
Gene Name:
ADH5
Uniprot ID:
P38113
Molecular weight:
37647.89844
Reactions
An alcohol + NAD(+) → an aldehyde or ketone + NADH.
General function:
Involved in zinc ion binding
Specific function:
This isozyme preferentially catalyzes the conversion of ethanol to acetaldehyde. Acts on a variety of primary unbranched aliphatic alcohols
Gene Name:
ADH2
Uniprot ID:
P00331
Molecular weight:
36731.60156
Reactions
An alcohol + NAD(+) → an aldehyde or ketone + NADH.
General function:
Involved in zinc ion binding
Specific function:
NADP-dependent alcohol dehydrogenase with a broad substrate specificity
Gene Name:
ADH7
Uniprot ID:
P25377
Molecular weight:
39348.19922
Reactions
An alcohol + NADP(+) → an aldehyde + NADPH.
General function:
Involved in zinc ion binding
Specific function:
NADP-dependent alcohol dehydrogenase with a broad substrate specificity
Gene Name:
ADH6
Uniprot ID:
Q04894
Molecular weight:
39617.30078
Reactions
An alcohol + NADP(+) → an aldehyde + NADPH.