ID   TXD03_LYCSI             Reviewed;         120 AA.
AC   B6DD21;
DT   30-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   25-MAY-2022, entry version 22.
DE   RecName: Full=U13-lycotoxin-Ls1a;
DE   AltName: Full=Toxin-like structure LSTX-L3;
DE   Flags: Precursor;
OS   Lycosa singoriensis (Wolf spider) (Aranea singoriensis).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida; Araneae;
OC   Araneomorphae; Entelegynae; Lycosoidea; Lycosidae; Lycosa.
OX   NCBI_TaxID=434756;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   TISSUE=Venom gland;
RX   PubMed=19875276; DOI=10.1016/j.zool.2009.04.001;
RA   Zhang Y., Chen J., Tang X., Wang F., Jiang L., Xiong X., Wang M., Rong M.,
RA   Liu Z., Liang S.;
RT   "Transcriptome analysis of the venom glands of the Chinese wolf spider
RT   Lycosa singoriensis.";
RL   Zoology 113:10-18(2010).
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC   -!- DOMAIN: The presence of a 'disulfide through disulfide kOR'
CC       structurally defines this protein as a knottin. {ECO:0000250}.
CC   -!- PTM: Contains 6 disulfide bonds. {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the neurotoxin 05 (agouti) family.
CC       {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; EU926105; ACI41437.1; -; mRNA.
DR   EMBL; FM864109; CAS03706.1; -; mRNA.
DR   AlphaFoldDB; B6DD21; -.
DR   ArachnoServer; AS001042; U13-lycotoxin-Ls1a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
PE   2: Evidence at transcript level;
KW   Disulfide bond; Knottin; Secreted; Signal; Toxin.
FT   SIGNAL          1..16
FT                   /evidence="ECO:0000255"
FT   PROPEP          17..54
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000401861"
FT   CHAIN           55..120
FT                   /note="U13-lycotoxin-Ls1a"
FT                   /id="PRO_0000401862"
FT   DOMAIN          56..95
FT                   /note="Agouti"
FT   DISULFID        56..70
FT                   /evidence="ECO:0000250"
FT   DISULFID        63..76
FT                   /evidence="ECO:0000250"
FT   DISULFID        69..87
FT                   /evidence="ECO:0000250"
FT   DISULFID        78..85
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   120 AA;  13763 MW;  3774C726C7C9C70C CRC64;
     MKTLFVLISI LYAVYCFSSE EDVDSAYLAN ELEPVEDINS EQYAALEPKE EQERSCADMG
     QDCKDDCDCC LNIATCNCWF GRYFCSCTFG DYQTCLRKKG KCKRNRPQSC PRSNLNRKKG