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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:Neurokinin A
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Accession:CHEBI:80311 term browser browse the term
Definition:A polypeptide that has formula C50H80N14O14S.
Synonyms:related_synonym: Formula=C50H80N14O14S;   InChI=1S/C50H80N14O14S/c1-26(2)18-34(45(73)58-32(42(53)70)15-17-79-6)57-38(67)23-55-49(77)40(27(3)4)63-47(75)35(19-29-12-8-7-9-13-29)60-48(76)37(24-65)62-46(74)36(21-39(68)69)61-50(78)41(28(5)66)64-44(72)33(14-10-11-16-51)59-43(71)31(52)20-30-22-54-25-56-30/h7-9,12-13,22,25-28,31-37,40-41,65-66H,10-11,14-21,23-24,51-52H2,1-6H3,(H2,53,70)(H,54,56)(H,55,77)(H,57,67)(H,58,73)(H,59,71)(H,60,76)(H,61,78)(H,62,74)(H,63,75)(H,64,72)(H,68,69)/t28?,31-,32-,33-,34-,35-,36-,37-,40-,41-/m0/s1;   InChIKey=HEAUFJZALFKPBA-YRVBCFNBSA-N;   Neuromedin L;   SMILES=CSCC[C@H](NC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CO)NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](NC(=O)[C@H](CCCCN)NC(=O)[C@@H](N)Cc1cnc[nH]1)C(C)O)C(C)C)C(N)=O;   Substance K
 xref: KEGG:C16097
 xref_mesh: MESH:D015288

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Neurokinin A term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Tacr2 tachykinin receptor 2 affects binding ISO Neurokinin A binds to TACR2 protein CTD PMID:15925360 NCBI chr20:30,208,907...30,223,446
Ensembl chr20:30,208,907...30,223,446
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19823
    chemical entity 19823
      molecular entity 19821
        polyatomic entity 19743
          macromolecule 3513
            polypeptide 198
              Neurokinin A 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19823
    subatomic particle 19821
      composite particle 19821
        hadron 19821
          baryon 19821
            nucleon 19821
              atomic nucleus 19821
                atom 19821
                  main group element atom 19720
                    p-block element atom 19720
                      carbon group element atom 19643
                        carbon atom 19633
                          organic molecular entity 19633
                            organic group 18739
                              organic divalent group 18730
                                organodiyl group 18730
                                  carbonyl group 18678
                                    carbonyl compound 18678
                                      carboxylic acid 18376
                                        carboacyl group 17490
                                          univalent carboacyl group 17490
                                            carbamoyl group 17304
                                              carboxamide 17304
                                                peptide 9461
                                                  polypeptide 198
                                                    Neurokinin A 1
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