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Identification
YMDB IDYMDB00036
Name4-alpha-Methyl-5-alpha-cholest-7-en-3-beta-ol
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
Description4-alpha-Methyl-5-alpha-cholest-7-en-3-beta-ol , also known as 4-methylcholest-7-en-3-ol or methostenol, belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core. 4-alpha-Methyl-5-alpha-cholest-7-en-3-beta-ol is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Thumb
Synonyms
  • 4-a-Methyl-5-a-cholest-7-en-3-b-ol
  • 4-alpha-Methyl-5-alpha-cholest-7-en-3-beta-ol
  • 4-Methylcholest-7-en-3-ol
  • 4-Methylcholest-7-en-3-ol, (3beta,4alpha)-isomer
  • 4alpha-Methyl-5alpha-cholest-7-en-3beta-ol
  • Lophenol
  • Methostenol
  • 4-Α-methyl-5-α-cholest-7-en-3-β-ol
CAS number481-25-4
WeightAverage: 400.6801
Monoisotopic: 400.370516158
InChI KeyLMYZQUNLYGJIHI-DOQVYVCQSA-N
InChIInChI=1S/C28H48O/c1-18(2)8-7-9-19(3)22-12-13-24-21-10-11-23-20(4)26(29)15-17-28(23,6)25(21)14-16-27(22,24)5/h10,18-20,22-26,29H,7-9,11-17H2,1-6H3/t19-,20+,22?,23+,24+,25+,26+,27-,28+/m1/s1
IUPAC Name(1R,2S,5S,6S,7S,11R,15R)-2,6,15-trimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-9-en-5-ol
Traditional IUPAC Name(1R,2S,5S,6S,7S,11R,15R)-2,6,15-trimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-9-en-5-ol
Chemical FormulaC28H48O
SMILES[H]O[C@@]1([H])C([H])([H])C([H])([H])[C@]2(C([H])([H])[H])[C@]3([H])C(=C([H])C([H])([H])[C@@]2([H])[C@]1([H])C([H])([H])[H])[C@]1([H])C([H])([H])C([H])([H])C([H])([C@]([H])(C([H])([H])[H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])[H])[C@@]1(C([H])([H])[H])C([H])([H])C3([H])[H]
Chemical Taxonomy
Description belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassCholestane steroids
Direct ParentCholesterols and derivatives
Alternative ParentsNot Available
SubstituentsNot Available
Molecular FrameworkAliphatic homopolycyclic compounds
External DescriptorsNot Available
Physical Properties
StateSolid
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility3.0e-05 g/LALOGPS
logP7.34ALOGPS
logP7.48ChemAxon
logS-7.1ALOGPS
pKa (Strongest Acidic)18.96ChemAxon
pKa (Strongest Basic)-1.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area20.23 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity125.09 m³·mol⁻¹ChemAxon
Polarizability51.92 ųChemAxon
Number of Rings4ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • Endoplasmic Reticulum Membrane
Organoleptic PropertiesNot Available
SMPDB PathwaysNot Available
KEGG PathwaysNot Available
SMPDB ReactionsNot Available
KEGG ReactionsNot Available
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-00dr-0019000000-b3855a576db40116f521JSpectraViewer
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-0a4l-3003900000-c96a5b17a00bc37a8b46JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0f89-0019500000-64e64b40ea3194651304JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0m89-3139100000-39856e46d4ab78dd6ff7JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0c29-6339000000-06492203c05ed6a86cddJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-0009000000-f6492eb67404432e3c04JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0002-0009000000-f9d70a523634f6b0b263JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0159-1009000000-2cda5b422edc920fed65JSpectraViewer
MSMass Spectrum (Electron Ionization)splash10-0ldm-6930100000-54c907bb02d027ff3a67JSpectraViewer | MoNA
References
References:
  • UniProt Consortium (2011). "Ongoing and future developments at the Universal Protein Resource." Nucleic Acids Res 39:D214-D219.21051339
Synthesis Reference:Not Available
External Links:
ResourceLink
CHEBI ID18378
HMDB IDHMDB11605
Pubchem Compound ID160482
Kegg IDC08825
ChemSpider ID25994938
FOODB IDFDB012028
Wikipedia IDNot Available
BioCyc IDCPD-5847

Enzymes

General function:
Involved in binding
Specific function:
Responsible for the reduction of the keto group on the C-3 of sterols. Also facilitates the association of ERG7 with lipid particles preventing its digestion in the endoplasmic reticulum and the lipid particles
Gene Name:
ERG27
Uniprot ID:
Q12452
Molecular weight:
39724.39844
Reactions
4-alpha-methyl-5-alpha-cholest-7-en-3-beta-ol + NADP(+) → 4-alpha-methyl-5-alpha-cholest-7-en-3-one + NADPH.