ID   F134_CTEON              Reviewed;          27 AA.
AC   P85029;
DT   14-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   25-MAY-2022, entry version 21.
DE   RecName: Full=U18-ctenitoxin-Co1a;
DE            Short=U18-CNTX-Co1a;
DE   AltName: Full=Venom peptide F13-4;
DE   Contains:
DE     RecName: Full=Venom peptide Oc F7-3;
OS   Ctenus ornatus (Brazilian spider) (Oligoctenus ornatus).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida; Araneae;
OC   Araneomorphae; Entelegynae; Lycosoidea; Ctenidae; Oligoctenus.
OX   NCBI_TaxID=406443;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, AND MASS
RP   SPECTROMETRY.
RC   TISSUE=Venom {ECO:0000269|Ref.1};
RA   Richardson M., Borges M.H., Goncalves J.M., Resende F.F., Oliveira C.F.B.,
RA   Rates B.A., Bemquerer M.P., Pimenta A.M.C., Cordeiro M.N.;
RT   "New 3kDa protein from venom of spider Oligoctenus ornatus.";
RL   Submitted (OCT-2006) to UniProtKB.
RN   [2] {ECO:0000305}
RP   PROTEIN SEQUENCE OF 4-27, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, AND
RP   MASS SPECTROMETRY.
RC   TISSUE=Venom;
RA   Bemquerer M.P., Oliveira C.F.B., Goncalves J.M., Rates B., Santos D.M.,
RA   Pimenta A.M.C., Cordeiro M.N., Rates M.;
RL   Submitted (JUL-2007) to UniProtKB.
CC   -!- FUNCTION: Not toxic to mice by intracerebroventricular injection.
CC       {ECO:0000269|Ref.1}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|Ref.1, ECO:0000269|Ref.2}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000269|Ref.1,
CC       ECO:0000269|Ref.2}.
CC   -!- MASS SPECTROMETRY: [U18-ctenitoxin-Co1a]: Mass=3034.01;
CC       Method=Electrospray; Evidence={ECO:0000269|Ref.1};
CC   -!- MASS SPECTROMETRY: [Venom peptide Oc F7-3]: Mass=2659.9;
CC       Mass_error=0.44; Method=Electrospray; Evidence={ECO:0000269|Ref.2};
CC   -!- SIMILARITY: Belongs to the u18-CNTX family.
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DR   AlphaFoldDB; P85029; -.
DR   ArachnoServer; AS000002; U18-ctenitoxin-Co1a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Secreted.
FT   PEPTIDE         1..27
FT                   /note="U18-ctenitoxin-Co1a"
FT                   /id="PRO_0000260048"
FT   PEPTIDE         4..27
FT                   /note="Venom peptide Oc F7-3"
FT                   /id="PRO_0000300247"
SQ   SEQUENCE   27 AA;  3026 MW;  C11FE3BF4FED0352 CRC64;
     ITFSKIYRSC KSDSDCGNQK CARGRCV