ID   JZT56_CHIGU             Reviewed;         109 AA.
AC   B1P1H6;
DT   05-OCT-2010, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 24.
DE   RecName: Full=U26-theraphotoxin-Cg1a;
DE            Short=U26-TRTX-Cg1a;
DE   AltName: Full=Jingzhaotoxin-56 {ECO:0000303|PubMed:18581053};
DE            Short=JZTX-56 {ECO:0000303|PubMed:18581053};
DE   Flags: Precursor;
OS   Chilobrachys guangxiensis (Chinese earth tiger tarantula) (Chilobrachys
OS   jingzhao).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida; Araneae;
OC   Mygalomorphae; Theraphosidae; Chilobrachys.
OX   NCBI_TaxID=278060;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   TISSUE=Venom gland;
RX   PubMed=18581053; DOI=10.1007/s00018-008-8135-x;
RA   Chen J., Deng M., He Q., Meng E., Jiang L., Liao Z., Rong M., Liang S.;
RT   "Molecular diversity and evolution of cystine knot toxins of the tarantula
RT   Chilobrachys jingzhao.";
RL   Cell. Mol. Life Sci. 65:2431-2444(2008).
CC   -!- FUNCTION: Probable ion channel inhibitor.
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. 07 (Jztx-56)
CC       subfamily. {ECO:0000305}.
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DR   EMBL; EU233907; ABY71726.1; -; mRNA.
DR   AlphaFoldDB; B1P1H6; -.
DR   ArachnoServer; AS000855; U26-theraphotoxin-Cg1a.
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   3: Inferred from homology;
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..67
FT                   /evidence="ECO:0000250"
FT                   /id="PRO_0000398526"
FT   PEPTIDE         68..109
FT                   /note="U26-theraphotoxin-Cg1a"
FT                   /id="PRO_0000398527"
FT   DISULFID        68..83
FT                   /evidence="ECO:0000250"
FT   DISULFID        75..88
FT                   /evidence="ECO:0000250"
FT   DISULFID        82..103
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   109 AA;  12298 MW;  65E1657D57D382EE CRC64;
     MNTIIPLLLL SLLITVYAYA LEDGNKEEIQ DIAESEFEAS NEMLQLAHLL EADRAETEED
     RNSRQKRCWG ANVPCEDENS PCCSPLKCEK TFGYGWWYGS PFCVRSGSG