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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.

Term:dynorphin A
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Accession:CHEBI:4727 term browser browse the term
Definition:A peptide that has formula C69H116N23O13.
Synonyms:related_synonym: (2S)-6-amino-2-{[(2S)-1-[(2R)-2-[(2S)-2-[(2R)-2-[(2R)-2-[(2R)-2-[(2R)-2-(2-{2-[(2R)-2-amino-3-(4-hydroxyphenyl)propanamido]acetamido}acetamido)-3-phenylpropanamido]-4-methylpentanamido]-5-carbamimidamidopentanamido]-5-carbamimidamidopentanamido]-3-methylpentanamido]-5-[(azaniumylmethanimidoyl)amino]pentanoyl]pyrrolidin-2-yl]formamido}-N-[(1S)-1-carbamoyl-3-methylbutyl]hexanamide;   Dynorphin;   Dynorphin A 1-17;   Formula=C69H116N23O13;   InChI=1S/C69H115N23O13/c1-7-41(6)56(65(104)88-49(22-15-31-81-69(77)78)66(105)92-32-16-23-53(92)64(103)87-46(19-11-12-28-70)60(99)89-50(57(72)96)33-39(2)3)91-61(100)48(21-14-30-80-68(75)76)85-59(98)47(20-13-29-79-67(73)74)86-62(101)51(34-40(4)5)90-63(102)52(36-42-17-9-8-10-18-42)84-55(95)38-82-54(94)37-83-58(97)45(71)35-43-24-26-44(93)27-25-43/h8-10,17-18,24-27,39-41,45-53,56,93H,7,11-16,19-23,28-38,70-71H2,1-6H3,(H2,72,96)(H,82,94)(H,83,97)(H,84,95)(H,85,98)(H,86,101)(H,87,103)(H,88,104)(H,89,99)(H,90,102)(H,91,100)(H4,73,74,79)(H4,75,76,80)(H4,77,78,81)/p+1/t41?,45-,46+,47-,48-,49-,50+,51-,52-,53+,56+/m1/s1;   InChIKey=ZIHYAUCIMOSJIH-QGLXRRFISA-O;   SMILES=CCC(C)[C@H](NC(=O)[C@@H](CCCNC(N)=N)NC(=O)[C@@H](CCCNC(N)=N)NC(=O)[C@@H](CC(C)C)NC(=O)[C@@H](CC=1C=CC=CC1)NC(=O)CNC(=O)CNC(=O)[C@H](N)CC=2C=CC(O)=CC2)C(=O)N[C@H](CCCNC([NH3+])=N)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N;   Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln
 xref: CAS:74913-18-1;   CAS:80448-90-4;   FooDB:FDB029215;   HMDB:HMDB0012935;   KEGG:C01574
 xref_mesh: MESH:D004399
 xref: PMID:1716470;   Wikipedia:dynorphin_A

show annotations for term's descendants           Sort by:
dynorphin A term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Crh corticotropin releasing hormone multiple interactions
decreases secretion
EXP Dynorphins inhibits the reaction [Nitroprusside results in increased secretion of CRH protein]; Naltrexone affects the reaction [Dynorphins results in decreased secretion of CRH protein] CTD PMID:3031743 NCBI chr 2:102,143,055...102,144,919
Ensembl chr 2:102,143,055...102,144,919
JBrowse link
G Oprd1 opioid receptor, delta 1 increases activity ISO Dynorphins results in increased activity of OPRD1 protein CTD PMID:26476280 NCBI chr 5:144,306,188...144,340,960
Ensembl chr 5:144,306,188...144,340,960
JBrowse link
G Oprk1 opioid receptor, kappa 1 multiple interactions
increases activity
affects binding
Dynorphins binds to and results in increased activity of OPRK1 protein; norbinaltorphimine inhibits the reaction [Dynorphins binds to and results in increased activity of OPRK1 protein]
Dynorphins results in increased activity of OPRK1 protein
Dynorphins analog binds to OPRK1 protein
CTD PMID:11270320 PMID:11676193 PMID:26476280 NCBI chr 5:13,860,016...13,877,823
Ensembl chr 5:13,860,021...13,877,823
JBrowse link
G Oprm1 opioid receptor, mu 1 affects binding
increases activity
Dynorphins analog binds to OPRM1 protein
Dynorphins results in increased activity of OPRM1 protein
CTD PMID:11270320 PMID:26476280 NCBI chr 1:43,160,057...43,413,409
Ensembl chr 1:43,160,057...43,413,409
JBrowse link

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19800
    chemical entity 19800
      group 19722
        organic group 18718
          amino-acid residue 9456
            peptide 9455
              dynorphin A 4
Path 2
Term Annotations click to browse term
  CHEBI ontology 19800
    subatomic particle 19799
      composite particle 19799
        hadron 19799
          baryon 19799
            nucleon 19799
              atomic nucleus 19799
                atom 19799
                  main group element atom 19698
                    p-block element atom 19698
                      carbon group element atom 19619
                        carbon atom 19609
                          organic molecular entity 19609
                            organic group 18718
                              organic divalent group 18702
                                organodiyl group 18702
                                  carbonyl group 18651
                                    carbonyl compound 18651
                                      carboxylic acid 18346
                                        carboacyl group 17469
                                          univalent carboacyl group 17469
                                            carbamoyl group 17285
                                              carboxamide 17285
                                                peptide 9455
                                                  dynorphin A 4
paths to the root