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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:61080 term browser browse the term
Definition:A cyclodepsipeptide consisting of the cyclic disulfide of (2Z)-2-aminobut-2-enoyl, L-valyl, (3S,4E)-3-hydroxy-7-sulfanylhept-4-enoyl, D-valyl and D-cysteinyl residues coupled in sequence and cyclised head-to tail.
Synonyms:exact_synonym: (1S,4S,7Z,10S,16E,21R)-7-ethylidene-4,21-di(propan-2-yl)-2-oxa-12,13-dithia-5,8,20,23-tetraazabicyclo[8.7.6]tricos-16-ene-3,6,9,19,22-pentone
 related_synonym: Antibiotic FR 901228;   Chromadax;   FK228;   FR901228;   Formula=C24H36N4O6S2;   InChI=1S/C24H36N4O6S2/c1-6-16-21(30)28-20(14(4)5)24(33)34-15-9-7-8-10-35-36-12-17(22(31)25-16)26-23(32)19(13(2)3)27-18(29)11-15/h6-7,9,13-15,17,19-20H,8,10-12H2,1-5H3,(H,25,31)(H,26,32)(H,27,29)(H,28,30)/b9-7+,16-6-/t15-,17-,19-,20+/m1/s1;   InChIKey=OHRURASPPZQGQM-GCCNXGTGSA-N;   Istodax;   NSC-630176;   SMILES=C\\C=C1/NC(=O)[C@H]2CSSCC\\C=C\\[C@H](CC(=O)N[C@H](C(C)C)C(=O)N2)OC(=O)[C@@H](NC1=O)C(C)C;   romidepsina;   romidepsine;   romidepsinum
 alt_id: CHEBI:69482
 xref: CAS:128517-07-7;   Drug_Central:4119;   KEGG:D06637
 xref_mesh: MESH:C087123
 xref: PMID:18205373;   PMID:20645688;   PMID:21110829;   PMID:7513682;   PMID:8175483;   Reaxys:6854221;   Wikipedia:Romidepsin

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Term Annotations click to browse term
  CHEBI ontology 500
    role 500
      biological role 500
        antimicrobial agent 125
          heterocyclic antibiotic 10
            romidepsin 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 500
    subatomic particle 500
      composite particle 500
        hadron 500
          baryon 500
            nucleon 500
              atomic nucleus 500
                atom 500
                  main group element atom 493
                    p-block element atom 493
                      carbon group element atom 482
                        carbon atom 481
                          organic molecular entity 481
                            heteroorganic entity 475
                              organochalcogen compound 429
                                organooxygen compound 427
                                  carbon oxoacid 367
                                    carboxylic acid 367
                                      carboacyl group 306
                                        univalent carboacyl group 306
                                          carbamoyl group 304
                                            carboxamide 304
                                              peptide 21
                                                depsipeptide 2
                                                  cyclodepsipeptide 2
                                                    romidepsin 0
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