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Record Information
Version2.0
Created at2022-09-08 09:46:52 UTC
Updated at2022-09-08 09:46:52 UTC
NP-MRD IDNP0265701
Secondary Accession NumbersNone
Natural Product Identification
Common Name3'-hydroxyechinenone
Description3'-Hydroxyechinenone, also known as HECN or HEQ, belongs to the class of organic compounds known as xanthophylls. These are carotenoids containing an oxygenated carotene backbone. Carotenes are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. Xanthophylls arise by oxygenation of the carotene backbone. Thus, 3'-hydroxyechinenone is considered to be an isoprenoid lipid molecule. 3'-hydroxyechinenone is found in Ophidiaster ophidianus and Planktothrix agardhii. 3'-hydroxyechinenone was first documented in 2014 (PMID: 24846130). 3'-Hydroxyechinenone is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral (PMID: 25663484) (PMID: 25948498) (PMID: 26244741).
Structure
Thumb
Synonyms
ValueSource
(3'r)-3'-Hydroxy-echinenoneChEBI
3'-Hydroxy-beta,beta-caroten-4-oneChEBI
3'-OH-EchinenoneChEBI
3-{(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4R)-4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl}-2,4,4-trimethylcyclohex-2-en-1-oneChEBI
HECNChEBI
HEQChEBI
3'-Hydroxy-b,b-caroten-4-oneGenerator
3'-Hydroxy-β,β-caroten-4-oneGenerator
Chemical FormulaC40H54O2
Average Mass566.8700 Da
Monoisotopic Mass566.41238 Da
IUPAC Name3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4R)-4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl]-2,4,4-trimethylcyclohex-2-en-1-one
Traditional Name3'-hydroxyechinenone
CAS Registry NumberNot Available
SMILES
C\C(\C=C\C=C(/C)\C=C\C1=C(C)C[C@@H](O)CC1(C)C)=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C1=C(C)C(=O)CCC1(C)C
InChI Identifier
InChI=1S/C40H54O2/c1-29(17-13-19-31(3)21-23-36-33(5)27-35(41)28-40(36,9)10)15-11-12-16-30(2)18-14-20-32(4)22-24-37-34(6)38(42)25-26-39(37,7)8/h11-24,35,41H,25-28H2,1-10H3/b12-11+,17-13+,18-14+,23-21+,24-22+,29-15+,30-16+,31-19+,32-20+/t35-/m1/s1
InChI KeyZRCXVNZZDQGBQT-BANQPSJHSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Ophidiaster ophidianusLOTUS Database
Planktothrix agardhiiLOTUS Database
Chemical Taxonomy
Description Belongs to the class of organic compounds known as xanthophylls. These are carotenoids containing an oxygenated carotene backbone. Carotenes are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. Xanthophylls arise by oxygenation of the carotene backbone.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassTetraterpenoids
Direct ParentXanthophylls
Alternative Parents
Substituents
  • Xanthophyll
  • Cyclohexenone
  • Cyclic ketone
  • Secondary alcohol
  • Ketone
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
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
logP8.53ALOGPS
logP9.07ChemAxon
logS-6ALOGPS
pKa (Strongest Acidic)18.91ChemAxon
pKa (Strongest Basic)-1.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count10ChemAxon
Refractivity193.97 m³·mol⁻¹ChemAxon
Polarizability72.94 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
HMDB IDNot Available
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC15965
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia Link3%27-Hydroxyechinenone
METLIN IDNot Available
PubChem Compound16061233
PDB IDNot Available
ChEBI ID80214
Good Scents IDNot Available
References
General References
  1. Niedzwiedzki DM, Liu H, Blankenship RE: Excited state properties of 3'-hydroxyechinenone in solvents and in the orange carotenoid protein from Synechocystis sp. PCC 6803. J Phys Chem B. 2014 Jun 12;118(23):6141-9. doi: 10.1021/jp5041794. Epub 2014 May 30. [PubMed:24846130 ]
  2. Kusama Y, Inoue S, Jimbo H, Takaichi S, Sonoike K, Hihara Y, Nishiyama Y: Zeaxanthin and Echinenone Protect the Repair of Photosystem II from Inhibition by Singlet Oxygen in Synechocystis sp. PCC 6803. Plant Cell Physiol. 2015 May;56(5):906-16. doi: 10.1093/pcp/pcv018. Epub 2015 Feb 5. [PubMed:25663484 ]
  3. Stadnichuk IN, Krasilnikov PM, Zlenko DV, Freidzon AY, Yanyushin MF, Rubin AB: Electronic coupling of the phycobilisome with the orange carotenoid protein and fluorescence quenching. Photosynth Res. 2015 Jun;124(3):315-35. doi: 10.1007/s11120-015-0148-3. Epub 2015 May 7. [PubMed:25948498 ]
  4. Maksimov EG, Shirshin EA, Sluchanko NN, Zlenko DV, Parshina EY, Tsoraev GV, Klementiev KE, Budylin GS, Schmitt FJ, Friedrich T, Fadeev VV, Paschenko VZ, Rubin AB: The Signaling State of Orange Carotenoid Protein. Biophys J. 2015 Aug 4;109(3):595-607. doi: 10.1016/j.bpj.2015.06.052. [PubMed:26244741 ]
  5. LOTUS database [Link]