ICK6_TRILK
ID ICK6_TRILK Reviewed; 124 AA.
AC W4VRV3;
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=U12-barytoxin-Tl1a;
DE Short=U12-BATX-Tl1a;
DE AltName: Full=Toxin ICK-6 {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. {ECO:0000305}.
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. 04 (ICK-6)
CC subfamily. {ECO:0000305}.
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DR EMBL; GAQE01000009; JAB84545.1; -; Transcribed_RNA.
DR AlphaFoldDB; W4VRV3; -.
DR ArachnoServer; AS001698; U12-barytoxin-Tl1a.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0019871; F:sodium channel inhibitor activity; IEA:InterPro.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR InterPro; IPR012627; Toxin_22.
DR Pfam; PF08092; Toxin_22; 1.
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..20
FT /evidence="ECO:0000255"
FT PROPEP 21..78
FT /evidence="ECO:0000305"
FT /id="PRO_0000435147"
FT CHAIN 79..124
FT /note="U12-barytoxin-Tl1a"
FT /id="PRO_0000429213"
FT DISULFID 79..99
FT /evidence="ECO:0000250"
FT DISULFID 86..104
FT /evidence="ECO:0000250"
FT DISULFID 98..118
FT /evidence="ECO:0000250"
SQ SEQUENCE 124 AA; 14626 MW; 6E1C4DFF7C54CAD4 CRC64;
MKTMIAWLVL LTFAAALCFA DEGLKQEHMN ERKKSRFRED IPDEISEDLL LQEMEAMEAE
LLEKEMRMEE NRNSREKRCL GEDISCGEKP GDLVRMPCCA KYECKETAGY WWYQKRFCVK
KKSG