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Identification
YMDB IDYMDB00612
Namezymosterol intermediate 1a
SpeciesSaccharomyces cerevisiae
StrainBaker's yeast
Descriptionzymosterol intermediate 1a belongs to the class of organic compounds known as cholesterols and derivatives. Cholesterols and derivatives are compounds containing a 3-hydroxylated cholestane core. zymosterol intermediate 1a is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral.
Structure
Thumb
Synonyms
  • 4a-Hydroxymethyl-5a-cholesta-8,24-dien-3b-ol
  • 4alpha-Hydroxymethyl-5alpha-cholesta-8,24-dien-3beta-ol
  • 4α-hydroxymethyl-5α-cholesta-8,24-dien-3β-ol
  • Zymosterol intermediic acid 1a
CAS numberNot Available
WeightAverage: 414.6636
Monoisotopic: 414.349780716
InChI KeyORZKEIGPXNMCHC-BZBPNLPVSA-N
InChIInChI=1S/C28H46O2/c1-18(2)7-6-8-19(3)22-11-12-23-20-9-10-24-21(17-29)26(30)14-16-28(24,5)25(20)13-15-27(22,23)4/h7,19,21-24,26,29-30H,6,8-17H2,1-5H3/t19-,21?,22-,23+,24+,26+,27-,28+/m1/s1
IUPAC Name(2S,5S,7S,11R,14R,15R)-6-(hydroxymethyl)-2,15-dimethyl-14-[(2R)-6-methylhept-5-en-2-yl]tetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-1(10)-en-5-ol
Traditional IUPAC Namezymosterol intermediate 1a
Chemical FormulaC28H46O2
SMILES[H][C@@]1(CC[C@@]2([H])C3=C(CC[C@]12C)[C@@]1(C)CC[C@H](O)C(CO)[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
  • Primary alcohol
  • Organooxygen compound
  • Alcohol
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External Descriptors
Physical Properties
StateNot Available
Charge0
Melting pointNot Available
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility0.003 g/LALOGPS
logP5.55ALOGPS
logP5.63ChemAxon
logS-5.1ALOGPS
pKa (Strongest Acidic)14.75ChemAxon
pKa (Strongest Basic)-2.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area40.46 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity127.5 m³·mol⁻¹ChemAxon
Polarizability52.75 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 ReactionsNot Available
KEGG Reactions
4alpha-methylzymosterol + NADPH + hydron + oxygenNADP + zymosterol intermediate 1a + water
zymosterol intermediate 1a + NADPH + hydron + oxygenwater + zymosterol intermediate 1b + NADP
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00kb-0009200000-fb9d9da8d800cbb77c57JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00mk-1129000000-07f91a13ea0c71c30b46JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00kr-3349000000-007fd27f2aa78fbc9668JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-03di-0005900000-382ae0402f58c37c22b8JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-03yj-0009300000-45e0d9ea13779bd99e48JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-014i-0009000000-60f16771dffdf7c66ae3JSpectraViewer
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 ID52388
HMDB IDNot Available
Pubchem Compound ID25271595
Kegg IDNot Available
ChemSpider ID23107009
FOODB IDNot Available
WikipediaZymosterol
BioCyc IDNot Available

Enzymes

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.