ID   IOVO_OPIHO              Reviewed;          54 AA.
AC   P52249;
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   Opisthocomus hoazin (Hoatzin) (Phasianus hoazin).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Opisthocomiformes; Opisthocomidae;
OC   Opisthocomus.
OX   NCBI_TaxID=30419;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=8251062; DOI=10.1007/bf01025042;
RA   Apostol I., Giletto A., Komiyama T., Zhang W., Laskowski M. Jr.;
RT   "Amino acid sequences of ovomucoid third domains from 27 additional species
RT   of birds.";
RL   J. Protein Chem. 12:419-433(1993).
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- DOMAIN: Avian ovomucoid consists of three homologous, tandem Kazal
CC       family inhibitory domains.
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DR   PIR; H61588; H61588.
DR   AlphaFoldDB; P52249; -.
DR   SMR; P52249; -.
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_0000073151"
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;  5829 MW;  95B10804D446583D CRC64;
     TATVDCSDYP KPACLLEYMP LCGSDNKTYD NKCSFCNAVV DSNGTLSLSH FGKC