ID   BPS1_ANAPL              Reviewed;          39 AA.
AC   P85123;
DT   17-APR-2007, integrated into UniProtKB/Swiss-Prot.
DT   17-APR-2007, sequence version 1.
DT   25-MAY-2022, entry version 39.
DE   RecName: Full=Small basic protein 1;
DE   AltName: Full=Basic protein small 1;
DE            Short=dBPS1;
OS   Anas platyrhynchos (Mallard) (Anas boschas).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Anseriformes; Anatidae;
OC   Anatinae; Anas.
OX   NCBI_TaxID=8839;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, BIOPHYSICOCHEMICAL PROPERTIES, MASS SPECTROMETRY,
RP   PYROGLUTAMATE FORMATION AT GLN-1, AND DISULFIDE BONDS.
RC   TISSUE=Egg white {ECO:0000269|PubMed:18685220};
RX   PubMed=18685220; DOI=10.1271/bbb.80178;
RA   Naknukool S., Hayakawa S., Sun Y., Ogawa M.;
RT   "Structural and physicochemical characteristics of novel basic proteins
RT   isolated from duck egg white.";
RL   Biosci. Biotechnol. Biochem. 72:2082-2091(2008).
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Temperature dependence:
CC         Denaturation temperature (Td) is 101.2 degrees Celsius.
CC         {ECO:0000269|PubMed:18685220};
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305}.
CC   -!- MASS SPECTROMETRY: Mass=4374.9; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:18685220};
CC   -!- SIMILARITY: Belongs to the transferrin family. {ECO:0000255}.
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DR   AlphaFoldDB; P85123; -.
DR   SMR; P85123; -.
DR   HOGENOM; CLU_3322199_0_0_1; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   InterPro; IPR012573; Meleagrin/Cygnin.
DR   Pfam; PF08189; Meleagrin; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Pyrrolidone carboxylic acid;
KW   Secreted.
FT   PEPTIDE         1..39
FT                   /note="Small basic protein 1"
FT                   /evidence="ECO:0000269|PubMed:18685220"
FT                   /id="PRO_0000284705"
FT   MOD_RES         1
FT                   /note="Pyrrolidone carboxylic acid"
FT                   /evidence="ECO:0000269|PubMed:18685220"
FT   DISULFID        6..32
FT                   /note="Or C-6 with C-31"
FT                   /evidence="ECO:0000269|PubMed:18685220"
FT   DISULFID        10..26
FT                   /evidence="ECO:0000269|PubMed:18685220"
FT   DISULFID        14..31
FT                   /note="Or C-14 with C-32"
FT                   /evidence="ECO:0000269|PubMed:18685220"
SQ   SEQUENCE   39 AA;  4397 MW;  CAC63B752D019DDD CRC64;
     QKKGFCAGYC SYSCAKTDEW TFHQTCGKMY CCIPPPKKG