ID   PVK_IXORI               Reviewed;           9 AA.
AC   P85043;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 1.
DT   07-OCT-2020, entry version 15.
DE   RecName: Full=Periviscerokinin;
OS   Ixodes ricinus (Common tick) (Acarus ricinus).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida; Acari;
OC   Parasitiformes; Ixodida; Ixodoidea; Ixodidae; Ixodinae; Ixodes.
OX   NCBI_TaxID=34613;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, AMIDATION AT VAL-9, AND MASS SPECTROMETRY.
RC   TISSUE=Neurosecretory cell {ECO:0000269|PubMed:16289040};
RX   PubMed=16289040; DOI=10.1016/j.bbrc.2005.10.165;
RA   Neupert S., Predel R., Russell W.K., Davies R., Pietrantonio P.V.,
RA   Nachman R.J.;
RT   "Identification of tick periviscerokinin, the first neurohormone of
RT   Ixodidae: single cell analysis by means of MALDI-TOF/TOF mass
RT   spectrometry.";
RL   Biochem. Biophys. Res. Commun. 338:1860-1864(2005).
CC   -!- FUNCTION: Mediates visceral muscle contractile activity (myotropic
CC       activity). {ECO:0000250|UniProtKB:P83931}.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- MASS SPECTROMETRY: Mass=1008.63; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:16289040};
CC   -!- SIMILARITY: Belongs to the periviscerokinin family. {ECO:0000255}.
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DR   GO; GO:0005576; C:extracellular region; ISS:UniProtKB.
DR   GO; GO:0007218; P:neuropeptide signaling pathway; IEA:UniProtKB-KW.
DR   GO; GO:0006940; P:regulation of smooth muscle contraction; ISS:UniProtKB.
DR   InterPro; IPR013231; Periviscerokinin.
DR   Pfam; PF08259; Periviscerokin; 1.
PE   1: Evidence at protein level;
KW   Amidation; Direct protein sequencing; Neuropeptide; Secreted.
FT   PEPTIDE         1..9
FT                   /note="Periviscerokinin"
FT                   /evidence="ECO:0000269|PubMed:16289040"
FT                   /id="PRO_0000271184"
FT   MOD_RES         9
FT                   /note="Valine amide"
FT                   /evidence="ECO:0000269|PubMed:16289040"
SQ   SEQUENCE   9 AA;  1009 MW;  C2C41769D760572D CRC64;
     PALIPFPRV