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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:78496 term browser browse the term
Definition:A member of the class of mastopyrans that is a 14-amino acid polypeptide comprising isoleucyl, asparaginyl, leucyl, lysyl, alanyl, leucyl, alanyl, alanyl, leucyl, alanyl, lysyl, lysyl, isoleucyl, and leucinamide residues coupled in sequence. It is the major active component of the venom of the vespid wasp, Vespula lewisii and causes degranulation of mast cells.
Synonyms:exact_synonym: L-isoleucyl-L-asparaginyl-L-leucyl-L-lysyl-L-alanyl-L-leucyl-L-alanyl-L-alanyl-L-leucyl-L-alanyl-L-lysyl-L-lysyl-L-isoleucyl-L-leucinamide
 related_synonym: Formula=C70H131N19O15;   INLKALAALAKKIL-NH2;   Ile-Asn-Leu-Lys-Ala-Leu-Ala-Ala-Leu-Ala-Lys-Lys-Ile-Leu-NH2;   InChI=1S/C70H131N19O15/c1-17-40(11)55(75)69(103)88-53(35-54(74)90)68(102)87-52(34-39(9)10)67(101)83-46(25-19-22-28-71)62(96)78-45(16)61(95)86-50(32-37(5)6)65(99)79-42(13)58(92)77-43(14)60(94)85-51(33-38(7)8)66(100)80-44(15)59(93)81-47(26-20-23-29-72)63(97)82-48(27-21-24-30-73)64(98)89-56(41(12)18-2)70(104)84-49(57(76)91)31-36(3)4/h36-53,55-56H,17-35,71-73,75H2,1-16H3,(H2,74,90)(H2,76,91)(H,77,92)(H,78,96)(H,79,99)(H,80,100)(H,81,93)(H,82,97)(H,83,101)(H,84,104)(H,85,94)(H,86,95)(H,87,102)(H,88,103)(H,89,98)/t40-,41-,42-,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,55-,56-/m0/s1;   InChIKey=MASXKPLGZRMBJF-MVSGICTGSA-N;   Mast cell degranulating peptide (Vespula lewisii);   SMILES=CC[C@H](C)[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC(C)C)C(N)=O
 xref: CAS:72093-21-1;   KEGG:C15947
 xref_mesh: MESH:C037500
 xref: PMID:16714348;   PMID:2044701;   PMID:2175826;   PMID:2204429;   PMID:23463512;   PMID:25584012;   PMID:540362;   Wikipedia:Mastoparan

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mastoparan term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Abca1 ATP binding cassette subfamily A member 1 multiple interactions
increases phosphorylation
ISO mastoparan inhibits the reaction [APOA1 protein affects the reaction [ABCA1 protein results in increased export of Cholesterol]]
mastoparan results in increased phosphorylation of ABCA1 protein
CTD PMID:16118212 NCBI chr 5:67,678,267...67,801,162
Ensembl chr 5:67,681,297...67,801,170
JBrowse link
G Apoa1 apolipoprotein A1 multiple interactions ISO mastoparan inhibits the reaction [APOA1 protein affects the reaction [ABCA1 protein results in increased export of Cholesterol]] CTD PMID:16118212 NCBI chr 8:46,527,251...46,529,035
Ensembl chr 8:46,527,144...46,529,035
JBrowse link
G Calm1 calmodulin 1 affects binding EXP mastoparan binds to CALM1 protein CTD PMID:17098364 NCBI chr 6:119,487,691...119,495,759
Ensembl chr 6:119,487,621...119,498,227
JBrowse link
G Il6 interleukin 6 multiple interactions ISO mastoparan inhibits the reaction [Lipopolysaccharides results in increased expression of IL6 protein] CTD PMID:21255617 NCBI chr 4:5,214,602...5,219,178
Ensembl chr 4:5,213,394...5,219,178
JBrowse link
G Nos1 nitric oxide synthase 1 decreases activity EXP mastoparan results in decreased activity of NOS1 protein CTD PMID:17098364 NCBI chr12:38,615,111...38,795,492
Ensembl chr12:38,626,714...38,710,945
JBrowse link

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  CHEBI ontology 19812
    role 19761
      biological role 19761
        antimicrobial agent 17400
          mastoparan 5
Path 2
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  CHEBI ontology 19812
    subatomic particle 19811
      composite particle 19811
        hadron 19811
          baryon 19811
            nucleon 19811
              atomic nucleus 19811
                atom 19811
                  main group element atom 19708
                    p-block element atom 19708
                      carbon group element atom 19630
                        carbon atom 19620
                          organic molecular entity 19620
                            organic group 18728
                              organic divalent group 18719
                                organodiyl group 18719
                                  carbonyl group 18667
                                    carbonyl compound 18667
                                      carboxylic acid 18364
                                        carboacyl group 17482
                                          univalent carboacyl group 17482
                                            carbamoyl group 17298
                                              carboxamide 17298
                                                peptide 9444
                                                  polypeptide 198
                                                    mastoparans 5
                                                      mastoparan 5
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