ID   UTS2B_CATCO             Reviewed;          12 AA.
AC   P04559;
DT   13-AUG-1987, integrated into UniProtKB/Swiss-Prot.
DT   13-AUG-1987, sequence version 1.
DT   07-APR-2021, entry version 55.
DE   RecName: Full=Urotensin-2B;
DE   AltName: Full=Urotensin IIB;
DE            Short=U-IIB;
DE            Short=UIIB;
OS   Catostomus commersonii (White sucker) (Cyprinus commersonnii).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes;
OC   Catostomoidei; Catostomidae; Catostomus.
OX   NCBI_TaxID=7971;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=6138758; DOI=10.1016/0196-9781(83)90148-1;
RA   McMaster D., Lederis K.;
RT   "Isolation and amino acid sequence of two urotensin II peptides from
RT   Catostomus commersoni urophyses.";
RL   Peptides 4:367-373(1983).
CC   -!- FUNCTION: Urotensin is found in the teleost caudal neurosecretory
CC       system. It has a suggested role in osmoregulation and as a
CC       corticotropin-releasing factor.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- SIMILARITY: Belongs to the urotensin-2 family. {ECO:0000305}.
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DR   PIR; JS0424; JS0424.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0005179; F:hormone activity; IEA:UniProtKB-KW.
DR   GO; GO:0097746; P:blood vessel diameter maintenance; IEA:InterPro.
DR   GO; GO:0008217; P:regulation of blood pressure; IEA:InterPro.
DR   InterPro; IPR001483; Urotensin_II.
DR   Pfam; PF02083; Urotensin_II; 1.
DR   PROSITE; PS00984; UROTENSIN_II; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Hormone; Secreted.
FT   PEPTIDE         1..12
FT                   /note="Urotensin-2B"
FT                   /id="PRO_0000044566"
FT   DISULFID        6..11
FT                   /evidence="ECO:0000269|PubMed:6138758"
SQ   SEQUENCE   12 AA;  1437 MW;  73961BDBB879CEBB CRC64;
     GSNTECFWKY CV