Carotenoids obi
All carotenoids     All organisms     All pathways     All reactions     Feedback
Carotenoids DB          Carotenoids DB: CA00495   
[   About  |   Help  |   Search carotenoid entry  |   Search organism entry  |   Search similar carotenoids  |   Predict biological activities of this carotenoid  |   Search possible biosynthetic routes of this carotenoid   ]
Entry
CA00495                                                            
Classification
Carotenoid Name
7,8-Didehydroastaxanthin
IUPAC name (3S,3'S)-3,3'-Dihydroxy-7,8-didehydro-beta,beta-carotene-4,4'-dione
Formula
C40H50O4
Molecular Weight 
594.8 g/mol
Structure      Search similar carotenoids

Mol file
Carotenoid DB Fingerprints 
Biological functions/Properties 
Number of
conjugated double bonds 
10 and 2 including one ketone (12 in total)
Number of
conjugated multiple bonds 
13 including two ketones (13 in total)
Isomers 
  • Constitutional isomer: CA00548, CA00494, CA00493
    • InChI

    InChIKey

    Canonical SMILES

    XLogP
    9.662
    Hydrogen Bond donors
    (Lipinski's definition)
    2
    Hydrogen Bond Acceptors
    (Lipinski's definition)
    4
    LipinskiFailures
    1
    Complexity of molecule
    0.319
    Number of heavy atoms
    44
    TPSA
    (Topological Polar Surface Area) 
    74.600 Å2
    Reaction
  • Product: CR00240
    • Pathway
  • Pathway: CB000063
    • Major carotenoid information

    Minor carotenoid information

    Source organisms
    Clione limacina (Ref.635) - gastropods (Mollusca - Clionidae)
    Paedoclione doliiformis (Ref.635) - gastropods (Mollusca - Clionidae)
    Carassius auratus (Ref.365) - Bony fish: gold fish (Chordata - Cyprinidae)
    References
  • Ref.365: Masahiro Ohkubo, Miyuki Tsushima, Takashi Maoka, Takao Matsuno, Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, Volume 124, Issue 3, November 1999, Pages 333–340, "Carotenoids and their metabolism in the goldfish Carassius auratus (Hibuna)".
  • Ref.635: Takashi Maoka, Takashi Kuwahara, and Masanao Narita, Mar. Drugs 2014, 12, 1460-1470, "Carotenoids of Sea Angels Clione limacina and Paedoclione doliiformis from the Perspective of the Food Chain", doi:10.3390/md12031460.
    • CAS
    19866-02-5
    Links to other DB
    KNApSAcK: C00023057
    LipidBank: VCA0049
    MassBank: CA000139

       Searching other references with Google Scholar or searching the colour of this carotenoid by Google image search