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ITR1_MIRJA
ID   ITR1_MIRJA              Reviewed;          37 AA.
AC   P84778;
DT   26-JUN-2007, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 1.
DT   25-MAY-2022, entry version 19.
DE   RecName: Full=Trypsin inhibitor 1;
DE   AltName: Full=MJTI I;
DE   AltName: Full=Trypsin inhibitor I;
OS   Mirabilis jalapa (Garden four-o'clock).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   Caryophyllales; Nyctaginaceae; Mirabilis.
OX   NCBI_TaxID=3538;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, FUNCTION, MASS SPECTROMETRY, AND DISULFIDE BONDS.
RC   TISSUE=Seed {ECO:0000269|PubMed:17481678};
RX   PubMed=17481678; DOI=10.1016/j.phytochem.2007.03.012;
RA   Kowalska J., Pszczola K., Wilimowska-Pelc A., Lorenc-Kubis I., Zuziak E.,
RA   Lugowski M., Legowska A., Kwiatkowska A., Sleszynska M., Lesner A.,
RA   Walewska A., Zablotna E., Rolka K., Wilusz T.;
RT   "Trypsin inhibitors from the garden four o'clock (Mirabilis jalapa) and
RT   spinach (Spinacia oleracea) seeds: isolation, characterization and chemical
RT   synthesis.";
RL   Phytochemistry 68:1487-1496(2007).
CC   -!- FUNCTION: Trypsin inhibitor. {ECO:0000269|PubMed:17481678}.
CC   -!- DOMAIN: The presence of a 'disulfide through disulfide knot'
CC       structurally defines this protein as a knottin.
CC   -!- MASS SPECTROMETRY: Mass=4060.0; Method=Electrospray;
CC       Evidence={ECO:0000269|PubMed:17481678};
CC   -!- MASS SPECTROMETRY: Mass=4061.9; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:17481678};
CC   -!- SIMILARITY: Belongs to the Mirabilis serine proteinase inhibitor
CC       family. {ECO:0000269|PubMed:17481678}.
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DR   AlphaFoldDB; P84778; -.
DR   SMR; P84778; -.
DR   MEROPS; I90.001; -.
DR   GO; GO:0004867; F:serine-type endopeptidase inhibitor activity; IEA:UniProtKB-KW.
DR   InterPro; IPR040875; Tryp_inh.
DR   Pfam; PF17983; Tryp_inh; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Knottin; Protease inhibitor;
KW   Serine protease inhibitor.
FT   PEPTIDE         1..37
FT                   /note="Trypsin inhibitor 1"
FT                   /id="PRO_0000292936"
FT   SITE            32..33
FT                   /note="Reactive bond for trypsin"
FT                   /evidence="ECO:0000250|UniProtKB:P84779"
FT   DISULFID        5..21
FT                   /evidence="ECO:0000269|PubMed:17481678"
FT   DISULFID        12..25
FT                   /evidence="ECO:0000269|PubMed:17481678"
FT   DISULFID        20..36
FT                   /evidence="ECO:0000269|PubMed:17481678"
SQ   SEQUENCE   37 AA;  4068 MW;  AD627C0E7C12E6BB CRC64;
     EDEECAKTDQ ICPPNAPNYC CSGSCVPHPR LRIFVCA
 
 
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