ID   IOVO_ACRVU              Reviewed;          54 AA.
AC   P68469; P05610;
DT   23-NOV-2004, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   25-MAY-2022, entry version 47.
DE   RecName: Full=Ovomucoid;
DE   Flags: Fragment;
OS   Acryllium vulturinum (Vulturine guineafowl).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Galliformes; Numididae;
OC   Acryllium.
OX   NCBI_TaxID=8992;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=3828298; DOI=10.1021/bi00375a028;
RA   Laskowski M. Jr., Kato I., Ardelt W., Cook J., Denton A., Empie M.W.,
RA   Kohr W.J., Park S.J., Parks K., Schatzley B.L., Schoenberger O.L.,
RA   Tashiro M., Vichot G., Whatley H.E., Wieczorek A., Wieczorek M.;
RT   "Ovomucoid third domains from 100 avian species: isolation, sequences, and
RT   hypervariability of enzyme-inhibitor contact residues.";
RL   Biochemistry 26:202-221(1987).
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- DOMAIN: Avian ovomucoid consists of three homologous, tandem Kazal
CC       family inhibitory domains.
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DR   PIR; G31446; G31446.
DR   AlphaFoldDB; P68469; -.
DR   SMR; P68469; -.
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_0000073046"
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   DISULFID        6..36
FT   DISULFID        14..33
FT   DISULFID        22..54
FT   NON_TER         1
FT   NON_TER         54
SQ   SEQUENCE   54 AA;  5911 MW;  96A9800DC9B4FC09 CRC64;
     LAAVDCSEYP KPACTMEYRP LCGSDNKTYD NKCNFCNAVV ESNGTLTLSH FGKC