ID   29C0_ANCSP              Reviewed;          50 AA.
AC   P84001;
DT   19-JUL-2004, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 32.
DE   RecName: Full=U3-ctenitoxin-Asp1a;
DE            Short=U3-CNTX-Asp1a;
DE   AltName: Full=Venom protein ANC29C0;
DE   Flags: Fragment;
OS   Ancylometes sp. (South American fishing spider).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida; Araneae;
OC   Araneomorphae; Entelegynae; Lycosoidea; Ctenidae; Ancylometes;
OC   unclassified Ancylometes.
OX   NCBI_TaxID=280265;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE, SUBCELLULAR LOCATION, TISSUE SPECIFICITY, AND MASS
RP   SPECTROMETRY.
RC   TISSUE=Venom;
RA   Richardson M., Pimenta A.M.C., Bemquerer M.P., Santoro M.M.,
RA   Figueiredo S.G., Cordeiro M.N.;
RT   "Protein ANC29C0 from venom of South American fishing spider (Ancylometes
RT   spp.) has sequence similarities to neurotoxic peptide Caeron precursor from
RT   Bark spider (Caerostris extrusa).";
RL   Submitted (JUN-2004) to UniProtKB.
CC   -!- FUNCTION: Possible neurotoxin. {ECO:0000303|Ref.1}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|Ref.1}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland. {ECO:0000269|Ref.1}.
CC   -!- MASS SPECTROMETRY: Mass=9571; Method=Electrospray;
CC       Evidence={ECO:0000269|Ref.1};
CC   -!- SIMILARITY: Belongs to the neurotoxin 20 family.
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DR   AlphaFoldDB; P84001; -.
DR   SMR; P84001; -.
DR   ArachnoServer; AS000014; U3-ctenitoxin-Asp1a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Neurotoxin; Secreted; Toxin.
FT   CHAIN           1..>50
FT                   /note="U3-ctenitoxin-Asp1a"
FT                   /id="PRO_0000087682"
FT   NON_TER         50
FT                   /evidence="ECO:0000303|Ref.1"
SQ   SEQUENCE   50 AA;  5679 MW;  3B06738CA0940B53 CRC64;
     ANACTKQADC AEDECCLDNL FFKRPYCEMR YGAGKRCAAA SVYKEDKDLY