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Record Information
Version2.0
Created at2024-09-10 19:53:44 UTC
Updated at2024-09-10 19:53:44 UTC
NP-MRD IDNP0334772
Secondary Accession NumbersNone
Natural Product Identification
Common Name7a,12a-Dihydroxy-5b-cholestan-3-one
DescriptionDG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0) Belongs to the class of organic compounds known as 1,2-diacylglycerols. These are diacylglycerols containing a glycerol acylated at positions 1 and 2. Mono- and diacylglycerols are common food additives used to blend together certain ingredients, such as oil and water, which would not otherwise blend well. DG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0) Is an extremely weak basic (essentially neutral) compound (based on its pKa). Within humans, DG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0) Participates in a number of enzymatic reactions. In particular, DG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0) Can be biosynthesized from PA(20:1(11Z)/18:3(6Z,9Z,12Z)); which is catalyzed by the enzyme phosphatidate phosphatase. In addition, DG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0) And meadoyl-CoA can be converted into TG(20:1(11Z)/18:3(6Z,9Z,12Z)/20:3(5Z,8Z,11Z)); which is mediated by the enzyme diacylglycerol O-acyltransferase. Diacylglycerols are precursors to triacylglycerols (triglyceride), which are formed by the addition of a third fatty acid to the diacylglycerol under the catalysis of diglyceride acyltransferase. DG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0), In particular, consists of one chain of eicosenoic acid at the C-1 position and one chain of g-linolenic acid at the C-2 position. Diacylglycerols can have many different combinations of fatty acids attached at both the C-1 and C-2 positions. Synthesis of diacylglycerol begins with glycerol-3-phosphate, which is derived primarily from dihydroxyacetone phosphate, a product of glycolysis (usually in the cytoplasm of liver or adipose tissue cells). In humans, DG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0) Is involved in the metabolic disorder called de novo triacylglycerol biosynthesis pathway. Phosphatidic acid is then de-phosphorylated to form diacylglycerol. Glycerol-3-phosphate is first acylated with acyl-coenzyme A (acyl-CoA) to form lysophosphatidic acid, which is then acylated with another molecule of acyl-CoA to yield phosphatidic acid. It is a glyceride consisting of two fatty acid chains covalently bonded to a glycerol molecule through ester linkages. Since diacylglycerols are synthesized via phosphatidic acid, they will usually contain a saturated fatty acid at the C-1 position on the glycerol moiety and an unsaturated fatty acid at the C-2 position. DG(20:1(11Z)/18:3(6Z,9Z,12Z)/0:0) Is a diglyceride, or a diacylglycerol (DAG). The eicosenoic acid moiety is derived from vegetable oils and cod oils, while the g-linolenic acid moiety is derived from animal fats. Dacylglycerols are often found in bakery products, beverages, ice cream, chewing gum, shortening, whipped toppings, margarine, and confections.
Structure
Thumb
Synonyms
ValueSource
5b-Cholestane-7a,12a-diol-3-oneHMDB
5beta-Cholestane-7alpha,12alpha-diol-3-oneHMDB
7alpha,12alpha-Dihydroxy-5beta-cholestan-3-oneHMDB
Chemical FormulaC27H46O3
Average Mass418.6523 Da
Monoisotopic Mass418.34470 Da
IUPAC Name(1S,2S,9R,11R,15R)-9,16-dihydroxy-2,15-dimethyl-14-(6-methylheptan-2-yl)tetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-5-one
Traditional Name(1S,2S,9R,11R,15R)-9,16-dihydroxy-2,15-dimethyl-14-(6-methylheptan-2-yl)tetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-5-one
CAS Registry NumberNot Available
SMILES
[H][C@]12CCC(C(C)CCCC(C)C)[C@@]1(C)C([H])(O)C[C@@]1([H])C2[C@H](O)CC2CC(=O)CC[C@]12C
InChI Identifier
InChI=1S/C27H46O3/c1-16(2)7-6-8-17(3)20-9-10-21-25-22(15-24(30)27(20,21)5)26(4)12-11-19(28)13-18(26)14-23(25)29/h16-18,20-25,29-30H,6-15H2,1-5H3/t17?,18?,20?,21-,22+,23-,24-,25?,26+,27-/m1/s1
InChI KeyHHVQPBXBALLUDF-JEUKKHAPSA-N
Experimental Spectra
Not Available
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of OriginNot Available
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 1,2-diacylglycerols. These are diacylglycerols containing a glycerol acylated at positions 1 and 2.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassGlycerolipids
Sub ClassDiradylglycerols
Direct Parent1,2-diacylglycerols
Alternative Parents
Substituents
  • 1,2-acyl-sn-glycerol
  • Fatty acid ester
  • Fatty acyl
  • Dicarboxylic acid or derivatives
  • Carboxylic acid ester
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Primary alcohol
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP4.73ALOGPS
logP5.19ChemAxon
logS-5.1ALOGPS
pKa (Strongest Acidic)19.99ChemAxon
pKa (Strongest Basic)-0.18ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity121.85 m³·mol⁻¹ChemAxon
Polarizability51.38 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB024587
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI IDNot Available
Good Scents IDNot Available
References
General ReferencesNot Available