ID   IOVO_CARPF              Reviewed;          54 AA.
AC   P52265;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 75.
DE   RecName: Full=Ovomucoid;
DE   Flags: Fragment;
OS   Caracara plancus (Southern caracara) (Polyborus plancus).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Falconiformes; Falconidae; Caracara.
OX   NCBI_TaxID=8951;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=2073323; DOI=10.1007/bf01024766;
RA   Laskowski M. Jr., Apostol I., Ardelt W., Cook J., Giletto A., Kelly C.A.,
RA   Lu W., Park S.J., Qasim M.A., Whatley H.E., Wieczorek A., Wynn R.;
RT   "Amino acid sequences of ovomucoid third domain from 25 additional species
RT   of birds.";
RL   J. Protein Chem. 9:715-725(1990).
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- DOMAIN: Avian ovomucoid consists of three homologous, tandem Kazal
CC       family inhibitory domains.
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DR   PIR; H61492; H61492.
DR   AlphaFoldDB; P52265; -.
DR   SMR; P52265; -.
DR   iPTMnet; P52265; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0004867; F:serine-type endopeptidase inhibitor activity; IEA:UniProtKB-KW.
DR   InterPro; IPR002350; Kazal_dom.
DR   InterPro; IPR036058; Kazal_dom_sf.
DR   InterPro; IPR001239; Prot_inh_Kazal-m.
DR   Pfam; PF00050; Kazal_1; 1.
DR   PRINTS; PR00290; KAZALINHBTR.
DR   SMART; SM00280; KAZAL; 1.
DR   SUPFAM; SSF100895; SSF100895; 1.
DR   PROSITE; PS00282; KAZAL_1; 1.
DR   PROSITE; PS51465; KAZAL_2; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Glycoprotein;
KW   Protease inhibitor; Repeat; Secreted; Serine protease inhibitor.
FT   CHAIN           <1..>54
FT                   /note="Ovomucoid"
FT                   /id="PRO_0000073168"
FT   DOMAIN          4..54
FT                   /note="Kazal-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00798"
FT   SITE            16..17
FT                   /note="Reactive bond 3"
FT   CARBOHYD        43
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000269|PubMed:2073323"
FT   DISULFID        6..36
FT   DISULFID        14..33
FT   DISULFID        22..54
FT   NON_TER         1
FT   NON_TER         54
SQ   SEQUENCE   54 AA;  5830 MW;  471F2E9547F423CD CRC64;
     VATVDCSEYP KPVCSLEYMP LCGSDSQTYS NECNFCNAVV DSNGTLTLSH FGKC