ID   ICK2_TRILK              Reviewed;         123 AA.
AC   W4VRY9;
DT   14-MAY-2014, integrated into UniProtKB/Swiss-Prot.
DT   19-MAR-2014, sequence version 1.
DT   23-FEB-2022, entry version 13.
DE   RecName: Full=U9-barytoxin-Tl1a;
DE            Short=U9-BATX-Tl1a;
DE   AltName: Full=Toxin ICK-2 {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: Ion channel inhibitor. {ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC   -!- DOMAIN: The presence of a 'disulfide through disulfide knot'
CC       structurally defines this protein as a knottin. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the neurotoxin 14 (magi-1) family. 05 (ICK-7)
CC       subfamily. ICK-7 sub-subfamily. {ECO:0000305}.
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DR   EMBL; GAQE01000005; JAB84549.1; -; Transcribed_RNA.
DR   ArachnoServer; AS001969; U9-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.
PE   2: Evidence at transcript level;
KW   Cleavage on pair of basic residues; Disulfide bond;
KW   Ion channel impairing toxin; Knottin; Secreted; Signal; Toxin.
FT   SIGNAL          1..18
FT                   /evidence="ECO:0000255"
FT   PROPEP          19..77
FT                   /evidence="ECO:0000305"
FT                   /id="PRO_0000435146"
FT   CHAIN           78..123
FT                   /note="U9-barytoxin-Tl1a"
FT                   /id="PRO_0000429209"
FT   DISULFID        78..93
FT                   /evidence="ECO:0000250"
FT   DISULFID        85..98
FT                   /evidence="ECO:0000250"
FT   DISULFID        92..112
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   123 AA;  13958 MW;  DE95C2BC58E1F06E CRC64;
     MNTMITFLVL FVLTAANGAP EANERKIPEA IHNEDQSLAE MAEELMFFLQ QTEFEAPLLQ
     EEEEAEXAEX RNSRERRCAM GDVPCTKGKT NCCKGYECKP KSPAWWYDTD FCQSIHSGRP
     IGI