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Identification
YMDB IDYMDB00611
Name4alpha-methylzymosterol
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
Description4a-Methylzymosterol, also known as dinoproston or (15S)-prostaglandin E2, belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core. Thus, 4a-methylzymosterol is considered to be a sterol lipid molecule. 4a-Methylzymosterol is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral.
Structure
Thumb
Synonyms
  • (3beta,4alpha,5alpha)-4-methylcholesta-8,24-dien-3-ol
  • 4alpha-Methylzymosterol
  • 4alpha-Methyl-5alpha-cholesta-8,24-dien-3beta-ol
  • (3b,4a,5a)-4-Methylcholesta-8,24-dien-3-ol
  • (3β,4α,5α)-4-Methylcholesta-8,24-dien-3-ol
  • 4a-Methyl-5a-cholesta-8,24-dien-3b-ol
  • 4α-Methyl-5α-cholesta-8,24-dien-3β-ol
  • (4S,5S)-4,10,13-Trimethyl-17-(6-methylhept-5-en-2-yl)-2,3,4,5,6,7,11,12,14, 15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
  • 4alpha-Methyl-5alpha-cholesta-8(9),24-dien-3beta-ol
  • 4alpha-Methyl-delta8,24-cholestenol
  • 4α-Methyl-5α-cholesta-8(9),24-dien-3β-ol
  • 4α-Methyl-Δ8,24-cholestenol
  • 4α-Methylzymosterol
CAS numberNot Available
WeightAverage: 398.6642
Monoisotopic: 398.354866094
InChI KeyFOUJWBXBKVVHCJ-YIJYGBTNSA-N
InChIInChI=1S/C28H46O/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/h8,19-20,22-24,26,29H,7,9-17H2,1-6H3/t19-,20+,22-,23+,24+,26+,27-,28+/m1/s1
IUPAC Name(2S,5S,6S,7S,11R,14R,15R)-2,6,15-trimethyl-14-[(2R)-6-methylhept-5-en-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-1(10)-en-5-ol
Traditional IUPAC Name(2S,5S,6S,7S,11R,14R,15R)-2,6,15-trimethyl-14-[(2R)-6-methylhept-5-en-2-yl]tetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-1(10)-en-5-ol
Chemical FormulaC28H46O
SMILES[H][C@@]1(CC[C@@]2([H])C3=C(CC[C@]12C)[C@@]1(C)CC[C@H](O)[C@@H](C)[C@]1([H])CC3)[C@H](C)CCC=C(C)C
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 Parents
Substituents
  • Cholesterol-skeleton
  • 3-beta-hydroxysteroid
  • Hydroxysteroid
  • 3-hydroxysteroid
  • Cyclic alcohol
  • Secondary alcohol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Alcohol
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External Descriptors
Physical Properties
StateSolid
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility0.0007 g/LALOGPS
logP6.52ALOGPS
logP7.03ChemAxon
logS-5.8ALOGPS
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 Count4ChemAxon
Refractivity125.67 m³·mol⁻¹ChemAxon
Polarizability51.73 ųChemAxon
Number of Rings4ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations
  • cytoplasm
Organoleptic PropertiesNot Available
SMPDB Pathways
Cholesterol biosynthesis and metabolism CE(10:0)PW002545 ThumbThumb?image type=greyscaleThumb?image type=simple
Cholesterol biosynthesis and metabolism CE(12:0)PW002548 ThumbThumb?image type=greyscaleThumb?image type=simple
Cholesterol biosynthesis and metabolism CE(14:0)PW002544 ThumbThumb?image type=greyscaleThumb?image type=simple
Cholesterol biosynthesis and metabolism CE(16:0)PW002550 ThumbThumb?image type=greyscaleThumb?image type=simple
Cholesterol biosynthesis and metabolism CE(18:0)PW002551 ThumbThumb?image type=greyscaleThumb?image type=simple
KEGG Pathways
Steroid biosynthesisec00100 Map00100
SMPDB Reactions
3-Keto-4-methylzymosterol + NADPH4alpha-methylzymosterol + NADP
4,4-Dimethyl-5a-cholesta-8,24-dien-3-b-ol + hydron + oxygen + NADPH4alpha-methylzymosterol + water + NADP
4alpha-methylzymosterol + hydron + oxygen + NADPHwater + NADP + 4α-hydroxymethyl-5α-cholesta-8,24-dien-3β-ol
3-Keto-4-methylzymosterol + NADPH + hydronNADP + 4alpha-methylzymosterol
KEGG Reactions
3-dehydro-4-methylzymosterol + NADPH + hydronNADP + 4alpha-methylzymosterol
4alpha-methylzymosterol + NADPH + hydron + oxygenNADP + zymosterol intermediate 1a + water
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-02ar-0019000000-da364020d6f55a8d1836JSpectraViewer
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-0a4l-3004900000-86ae2efd8b737e675270JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-001j-0009000000-f485cbb263f2f4b1b84aJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-01sj-2129000000-22c00d60920d1e5a4fabJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-014i-3459000000-7d25553141c326b6521eJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-0009000000-da18f5394671385950baJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0002-0009000000-dbaa936472d9a3662d91JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0159-1009000000-dcd434b2beb43e39f10bJSpectraViewer
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
Synthesis Reference:Not Available
External Links:
ResourceLink
CHEBI ID1949
HMDB IDHMDB0001217
Pubchem Compound ID23724484
Kegg IDC05103
ChemSpider ID24850068
FOODB IDFDB022496
Wikipedia IDNot Available
BioCyc IDNot Available

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.
General function:
Involved in iron ion binding
Specific function:
Catalyzes the first step in the removal of the two C-4 methyl groups of 4,4-dimethylzymosterol
Gene Name:
ERG25
Uniprot ID:
P53045
Molecular weight:
36478.89844
Reactions
4,4-dimethyl-5-alpha-cholest-7-en-3-beta-ol + NAD(P)H + O(2) → 4-beta-hydroxymethyl-4-alpha-methyl-5-alpha-cholest-7-en-3-beta-ol + NAD(P)(+) + H(2)O.
4-beta-hydroxymethyl-4-alpha-methyl-5-alpha-cholest-7-en-3-beta-ol + NAD(P)H + O(2) → 3-beta-hydroxy-4-beta-methyl-5-alpha-cholest-7-ene-4-alpha-carbaldehyde + NAD(P)(+) + 2 H(2)O.
3-beta-hydroxy-4-beta-methyl-5-alpha-cholest-7-ene-4-alpha-carbaldehyde + NAD(P)H + O(2) → 3-beta-hydroxy-4-beta-methyl-5-alpha-cholest-7-ene-4-alpha-carboxylate + NAD(P)(+) + H(2)O.