ID   TX801_LYCSI             Reviewed;          77 AA.
AC   B6DCX2; B6DCX3;
DT   30-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   25-MAY-2022, entry version 20.
DE   RecName: Full=U8-lycotoxin-Ls1a;
DE   AltName: Full=Toxin-like structure LSTX-H1;
DE   AltName: Full=Toxin-like structure LSTX-H2;
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   -!- PTM: Contains 4 disulfide bonds. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the neurotoxin 19 (CSTX) family. 08 (U8-Lctx)
CC       subfamily. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ACI41389.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
CC       Sequence=CAS03658.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; EU926056; ACI41388.1; -; mRNA.
DR   EMBL; EU926057; ACI41389.1; ALT_INIT; mRNA.
DR   EMBL; FM864060; CAS03657.1; -; mRNA.
DR   EMBL; FM864061; CAS03658.1; ALT_INIT; mRNA.
DR   AlphaFoldDB; B6DCX2; -.
DR   SMR; B6DCX2; -.
DR   ArachnoServer; AS000995; U8-lycotoxin-Ls1a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR   InterPro; IPR019553; Spider_toxin_CSTX_knottin.
DR   Pfam; PF10530; Toxin_35; 1.
PE   2: Evidence at transcript level;
KW   Disulfide bond; Secreted; Signal; Toxin.
FT   SIGNAL          1..20
FT                   /evidence="ECO:0000255"
FT   PROPEP          21..26
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000401765"
FT   CHAIN           27..77
FT                   /note="U8-lycotoxin-Ls1a"
FT                   /id="PRO_0000401766"
SQ   SEQUENCE   77 AA;  8574 MW;  35F10C59E234F5AF CRC64;
     MKLIIFTGLV LFAIVSLIEA QAENEKACLP QYQVCTDAPG NCCSDLVCDC YGRYKCGARI
     GRNCFCLQKG VIYKREN