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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:143514 term browser browse the term
Definition:An N-acyl-amino acid resulting from the formal condensation of the carboxy group of arachidonic acid with the amino group of L-serine. It is an endocannabinoid-like lipid isolated from bovine brains.
Synonyms:exact_synonym: N-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]-L-serine
 related_synonym: (2S)-3-hydroxy-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenamido]propanoic acid;   (2S)-3-hydroxy-2-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoylamino]propanoic acid;   ARA-S;   C20:4(5Z,8Z,11Z,14Z)-L-Ser;   Formula=C23H37NO4;   InChI=1S/C23H37NO4/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-22(26)24-21(20-25)23(27)28/h6-7,9-10,12-13,15-16,21,25H,2-5,8,11,14,17-20H2,1H3,(H,24,26)(H,27,28)/b7-6-,10-9-,13-12-,16-15-/t21-/m0/s1;   InChIKey=FQUVPTVNRMUOPO-UPQKDGGNSA-N;   N-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-L-serine;   N-(5Z,8Z,11Z,14Z-icosatetraenoyl)-L-serine;   N-[(5Z,8Z,11Z,14Z)-1-Oxo-5,8,11,14-icosatetraenyl]-L-serine;   SMILES=C(CCC)C/C=C\\C/C=C\\C/C=C\\C/C=C\\CCCC(N[C@H](C(=O)O)CO)=O
 xref: CAS:187224-29-9;   LIPID_MAPS_instance:LMFA08020073;   PMID:16467152;   PMID:18234973;   PMID:18923087;   PMID:20649562;   PMID:20649563;   PMID:21505478;   PMID:23695434;   PMID:28955964
 cyclic_relationship: is_conjugate_acid_of CHEBI:149697

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  CHEBI ontology 19762
    role 19708
      biological role 19708
        pharmacological role 18815
          agonist 18228
            cannabinoid receptor agonist 547
              N-arachidonoyl-L-serine 0
Path 2
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  CHEBI ontology 19762
    subatomic particle 19760
      composite particle 19760
        hadron 19760
          baryon 19760
            nucleon 19760
              atomic nucleus 19760
                atom 19760
                  main group element atom 19651
                    p-block element atom 19651
                      carbon group element atom 19570
                        carbon atom 19560
                          organic molecular entity 19560
                            organic group 18611
                              organic divalent group 18602
                                organodiyl group 18602
                                  carbonyl group 18519
                                    carbonyl compound 18519
                                      carboxylic acid 18195
                                        carboacyl group 17423
                                          univalent carboacyl group 17423
                                            carbamoyl group 17230
                                              carboxamide 17230
                                                N-acyl-amino acid 10045
                                                  N-acyl-L-amino acid 1956
                                                    N-acyl-L-alpha-amino acid 44
                                                      N-(fatty acyl)-L-alpha-amino acid 0
                                                        N-arachidonoyl-L-serine 0
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