ID   ICK14_TRILK             Reviewed;          92 AA.
AC   W4VSB7;
DT   14-MAY-2014, integrated into UniProtKB/Swiss-Prot.
DT   19-MAR-2014, sequence version 1.
DT   25-MAY-2022, entry version 16.
DE   RecName: Full=Toxin ICK-14 {ECO:0000303|PubMed:24351713};
DE   Flags: Precursor;
OS   Trittame loki (Brush-footed trapdoor spider).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida; Araneae;
OC   Mygalomorphae; Barychelidae; Trittame.
OX   NCBI_TaxID=1295018;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Venom gland;
RX   PubMed=24351713; DOI=10.3390/toxins5122488;
RA   Undheim E.A., Sunagar K., Herzig V., Kely L., Low D.H., Jackson T.N.,
RA   Jones A., Kurniawan N., King G.F., Ali S.A., Antunes A., Ruder T.,
RA   Fry B.G.;
RT   "A proteomics and transcriptomics investigation of the venom from the
RT   barychelid spider Trittame loki (brush-foot trapdoor).";
RL   Toxins 5:2488-2503(2013).
CC   -!- FUNCTION: Probable neurotoxin with ion channel impairing activity.
CC       {ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305|PubMed:24351713}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC       {ECO:0000305|PubMed:24351713}.
CC   -!- DOMAIN: The presence of a 'disulfide through disulfide knot'
CC       structurally defines this protein as a knottin.
CC       {ECO:0000250|UniProtKB:A0A1D0C027}.
CC   -!- SIMILARITY: Belongs to the neurotoxin 27 (Jztx-72) family. ICK-41
CC       subfamily. {ECO:0000305}.
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DR   EMBL; GAQE01000017; JAB84537.1; -; Transcribed_RNA.
DR   AlphaFoldDB; W4VSB7; -.
DR   SMR; W4VSB7; -.
DR   ArachnoServer; AS001935; U4-barytoxin-Tl1a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0099106; F:ion channel regulator activity; IEA:UniProtKB-KW.
DR   GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR   InterPro; IPR035311; Cys_Knot_tox.
DR   Pfam; PF17486; Cys_Knot_tox; 1.
PE   3: Inferred from homology;
KW   Disulfide bond; Ion channel impairing toxin; Knottin; Neurotoxin; Secreted;
KW   Signal; Toxin.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000255"
FT   CHAIN           20..92
FT                   /note="Toxin ICK-14"
FT                   /id="PRO_0000429221"
FT   DISULFID        41..82
FT                   /evidence="ECO:0000250|UniProtKB:A0A1D0C027"
FT   DISULFID        41..55
FT                   /evidence="ECO:0000250|UniProtKB:A0A1D0C027"
FT   DISULFID        54..67
FT                   /evidence="ECO:0000250|UniProtKB:A0A1D0C027"
FT   DISULFID        85..92
FT                   /evidence="ECO:0000250|UniProtKB:A0A1D0C027"
SQ   SEQUENCE   92 AA;  10249 MW;  764B96105296F21E CRC64;
     MKPIVSILLF CALAVVIVGR RRSTGRGIPY VDEKLPNGQR CKPPGFDCSK SEECCGPQDT
     KNYAHGCAPQ WSGMWNKRVN ECYICYIESS SC