ID   IOVO_CALCC              Reviewed;          56 AA.
AC   P68387; P05590;
DT   23-NOV-2004, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   25-MAY-2022, entry version 51.
DE   RecName: Full=Ovomucoid;
DE   Flags: Fragment;
OS   Callipepla californica (California quail) (Lophortyx californica).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Galliformes; Odontophoridae;
OC   Callipepla.
OX   NCBI_TaxID=67771;
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).
RN   [2]
RP   PROTEIN SEQUENCE.
RX   PubMed=7046785; DOI=10.1021/bi00539a002;
RA   Empie M.W., Laskowski M. Jr.;
RT   "Thermodynamics and kinetics of single residue replacements in avian
RT   ovomucoid third domains: effect on inhibitor interactions with serine
RT   proteinases.";
RL   Biochemistry 21:2274-2284(1982).
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- DOMAIN: Avian ovomucoid consists of three homologous, tandem Kazal
CC       family inhibitory domains.
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DR   PIR; B31442; B31442.
DR   AlphaFoldDB; P68387; -.
DR   SMR; P68387; -.
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..>56
FT                   /note="Ovomucoid"
FT                   /id="PRO_0000073131"
FT   DOMAIN          6..56
FT                   /note="Kazal-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00798"
FT   SITE            18..19
FT                   /note="Reactive bond 3"
FT   CARBOHYD        45
FT                   /note="N-linked (GlcNAc...) asparagine"
FT   DISULFID        8..38
FT   DISULFID        16..35
FT   DISULFID        24..56
FT   NON_TER         1
FT   NON_TER         56
SQ   SEQUENCE   56 AA;  6069 MW;  3AA0D2543081CFE8 CRC64;
     FAAVSVDCSE YPKPACTLEY RPLCGSDNKT YANKCNFCNA VVESNGTLTL SHFGKC