ID   A0A8B9BYA0_9AVES        Unreviewed;       196 AA.
AC   A0A8B9BYA0;
DT   19-JAN-2022, integrated into UniProtKB/TrEMBL.
DT   19-JAN-2022, sequence version 1.
DT   28-JAN-2026, entry version 17.
DE   RecName: Full=Lipocalin/cytosolic fatty-acid binding domain-containing protein {ECO:0000259|Pfam:PF00061};
OS   Anser brachyrhynchus (Pink-footed goose).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC   Coelurosauria; Aves; Neognathae; Galloanserae; Anseriformes; Anatidae;
OC   Anserinae; Anser.
OX   NCBI_TaxID=132585 {ECO:0000313|Ensembl:ENSABRP00000011404.1, ECO:0000313|Proteomes:UP000694426};
RN   [1] {ECO:0000313|Ensembl:ENSABRP00000011404.1}
RP   IDENTIFICATION.
RG   Ensembl;
RL   Submitted (AUG-2025) to UniProtKB.
RN   [2] {ECO:0000313|Ensembl:ENSABRP00000011404.1}
RP   IDENTIFICATION.
RG   Ensembl;
RL   Submitted (SEP-2025) to UniProtKB.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000256|ARBA:ARBA00004613}.
CC   -!- SIMILARITY: Belongs to the calycin superfamily. Lipocalin family.
CC       {ECO:0000256|ARBA:ARBA00006889, ECO:0000256|PIRNR:PIRNR036893,
CC       ECO:0000256|RuleBase:RU003695}.
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DR   AlphaFoldDB; A0A8B9BYA0; -.
DR   Ensembl; ENSABRT00000016310.1; ENSABRP00000011404.1; ENSABRG00000010237.1.
DR   GeneTree; ENSGT00510000047107; -.
DR   Proteomes; UP000694426; Unplaced.
DR   GO; GO:0005615; C:extracellular space; IEA:UniProtKB-ARBA.
DR   GO; GO:0019841; F:retinol binding; IEA:UniProtKB-KW.
DR   GO; GO:0034632; F:retinol transmembrane transporter activity; IEA:InterPro.
DR   CDD; cd00743; lipocalin_RBP_like; 1.
DR   Gene3D; 2.40.128.20; -; 1.
DR   InterPro; IPR012674; Calycin.
DR   InterPro; IPR022271; Lipocalin_ApoD.
DR   InterPro; IPR022272; Lipocalin_CS.
DR   InterPro; IPR000566; Lipocln_cytosolic_FA-bd_dom.
DR   InterPro; IPR002449; Retinol-bd/Purpurin.
DR   PANTHER; PTHR11873:SF1; PURPURIN; 1.
DR   PANTHER; PTHR11873; RETINOL-BINDING PROTEIN 4; 1.
DR   Pfam; PF00061; Lipocalin; 1.
DR   PIRSF; PIRSF036893; Lipocalin_ApoD; 1.
DR   PIRSF; PIRSF500204; RBP_purpurin; 1.
DR   PRINTS; PR00179; LIPOCALIN.
DR   PRINTS; PR01174; RETINOLBNDNG.
DR   SUPFAM; SSF50814; Lipocalins; 1.
DR   PROSITE; PS00213; LIPOCALIN; 1.
PE   3: Inferred from homology;
KW   Disulfide bond {ECO:0000256|ARBA:ARBA00023157,
KW   ECO:0000256|PIRSR:PIRSR036893-50};
KW   Reference proteome {ECO:0000313|Proteomes:UP000694426};
KW   Retinol-binding {ECO:0000256|ARBA:ARBA00023072};
KW   Secreted {ECO:0000256|ARBA:ARBA00022525};
KW   Signal {ECO:0000256|PIRNR:PIRNR036893};
KW   Transport {ECO:0000256|ARBA:ARBA00022448}.
FT   SIGNAL          1..21
FT                   /evidence="ECO:0000256|PIRNR:PIRNR036893"
FT   CHAIN           22..196
FT                   /note="Lipocalin/cytosolic fatty-acid binding domain-
FT                   containing protein"
FT                   /evidence="ECO:0000256|PIRNR:PIRNR036893"
FT                   /id="PRO_5034431786"
FT   DOMAIN          41..177
FT                   /note="Lipocalin/cytosolic fatty-acid binding"
FT                   /evidence="ECO:0000259|Pfam:PF00061"
FT   DISULFID        24..182
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036893-50"
FT   DISULFID        90..196
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036893-50"
FT   DISULFID        142..151
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036893-50"
SQ   SEQUENCE   196 AA;  21946 MW;  E9CA7A7BBAA83E03 CRC64;
     MKYAQYVFLA SILSTIEYSL AQTCAVESFS VKDNFDPKRY AGKWYALAKK DPEGLFLQDN
     ISAEYTVEED GTMTASSKGR VKLFGFWVIC ADMAAQYTVP DPTTPAKMYM TYQGLASYLS
     SGGDNYWVID TDYDNYAITY ACRSLKEDGS CDDGYSLIFS RNPRGLPPAI QRIVRQKQEE
     ICMSGQFQPV LQSGAC
//