TMTX2_HOTTA
ID TMTX2_HOTTA Reviewed; 35 AA.
AC Q9BN11;
DT 26-SEP-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2001, sequence version 1.
DT 25-MAY-2022, entry version 44.
DE RecName: Full=Tamulustoxin-2;
DE Short=TmTX2;
OS Hottentotta tamulus (Eastern Indian scorpion) (Mesobuthus tamulus).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida;
OC Scorpiones; Buthida; Buthoidea; Buthidae; Mesobuthus.
OX NCBI_TaxID=34647;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RX PubMed=11361010; DOI=10.1006/abbi.2000.2135;
RA Strong P.N., Clark G.S., Armugam A., De-Allie F.A., Joseph J.S., Yemul V.,
RA Deshpande J.M., Kamat R., Gadre S.V., Gopalakrishnakone P., Kini R.M.,
RA Owen D.G., Jeyaseelan K.;
RT "Tamulustoxin: a novel potassium channel blocker from the venom of the
RT Indian red scorpion Mesobuthus tamulus.";
RL Arch. Biochem. Biophys. 385:138-144(2001).
CC -!- FUNCTION: Blocks Kv1.6/KCNA6 potassium channels. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Secreted.
CC -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC -!- SIMILARITY: Belongs to the short scorpion toxin superfamily. Potassium
CC channel inhibitor family. {ECO:0000305}.
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DR EMBL; AF276225; AAK01861.1; -; mRNA.
DR AlphaFoldDB; Q9BN11; -.
DR SMR; Q9BN11; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0019870; F:potassium channel inhibitor activity; IEA:InterPro.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR InterPro; IPR012636; Toxin_32.
DR Pfam; PF08120; Toxin_32; 1.
PE 2: Evidence at transcript level;
KW Disulfide bond; Ion channel impairing toxin; Neurotoxin;
KW Potassium channel impairing toxin; Secreted; Toxin;
KW Voltage-gated potassium channel impairing toxin.
FT PEPTIDE 1..35
FT /note="Tamulustoxin-2"
FT /id="PRO_0000044933"
FT DISULFID 2..22
FT /evidence="ECO:0000250"
FT DISULFID 7..31
FT /evidence="ECO:0000250"
FT DISULFID 11..33
FT /evidence="ECO:0000250"
SQ SEQUENCE 35 AA; 3967 MW; EDB505188D105995 CRC64;
RCHFVICTTD CRRNSPGTYG ECVKKEKGKE CVCKS