ID   F95_CTEON               Reviewed;          29 AA.
AC   P85236;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   25-MAY-2022, entry version 15.
DE   RecName: Full=U20-ctenitoxin-Co1a {ECO:0000305};
DE            Short=U20-CNTX-Co1a {ECO:0000305};
DE   AltName: Full=Venom peptide Oc F9-5 {ECO:0000303|Ref.1};
DE   Flags: Fragment;
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]
RP   PROTEIN SEQUENCE, SUBCELLULAR LOCATION, AND MASS SPECTROMETRY.
RC   TISSUE=Venom;
RA   Borges M.H., Oliveira C.F.B., Goncalves J.M., Rates B., Santos D.M.,
RA   Pimenta A.M.C., Cordeiro M.N., Richardson M.;
RL   Submitted (JUL-2007) to UniProtKB.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|Ref.1}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000305|Ref.1}.
CC   -!- MASS SPECTROMETRY: Mass=3493; Mass_error=0.01; Method=Electrospray;
CC       Evidence={ECO:0000269|Ref.1};
CC   -!- SIMILARITY: Belongs to the neurotoxin 33 family. {ECO:0000305}.
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DR   AlphaFoldDB; P85236; -.
DR   SMR; P85236; -.
DR   ArachnoServer; AS000004; U20-ctenitoxin-Co1a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Secreted.
FT   PEPTIDE         1..>29
FT                   /note="U20-ctenitoxin-Co1a"
FT                   /evidence="ECO:0000305|Ref.1"
FT                   /id="PRO_0000302108"
FT   DISULFID        3..16
FT                   /evidence="ECO:0000250|UniProtKB:P86269"
FT   DISULFID        10..21
FT                   /evidence="ECO:0000250|UniProtKB:P86269"
FT   DISULFID        15..?
FT                   /evidence="ECO:0000250|UniProtKB:P86269"
FT   NON_TER         29
FT                   /evidence="ECO:0000305|Ref.1"
SQ   SEQUENCE   29 AA;  3012 MW;  4B6E863A267A985C CRC64;
     GFCAEAGIKC NDIHCCGNLK CKAVGSNRV