ID   SCKJ_MESMA              Reviewed;          55 AA.
AC   Q7Z0H5;
DT   24-MAY-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 42.
DE   RecName: Full=Neurotoxin BmKX-A1-S31;
DE   Flags: Precursor;
OS   Mesobuthus martensii (Manchurian scorpion) (Buthus martensii).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida;
OC   Scorpiones; Buthida; Buthoidea; Buthidae; Mesobuthus.
OX   NCBI_TaxID=34649;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RA   Wang C.-G., Chi C.-W.;
RT   "A novel potassium channel blocker from scorpion Buthus martensii Karsch.";
RL   Submitted (JUN-2002) to the EMBL/GenBank/DDBJ databases.
CC   -!- SUBCELLULAR LOCATION: Secreted.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC   -!- MISCELLANEOUS: Does not show any effect on Na(+), Ca(2+) currents, nor
CC       on voltage-gated and calcium-activated potassium channels.
CC       {ECO:0000250}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AY125327; AAM91030.1; -; mRNA.
DR   AlphaFoldDB; Q7Z0H5; -.
DR   SMR; Q7Z0H5; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   InterPro; IPR036574; Scorpion_toxin-like_sf.
DR   SUPFAM; SSF57095; SSF57095; 1.
PE   2: Evidence at transcript level;
KW   Disulfide bond; Secreted; Signal.
FT   SIGNAL          1..23
FT                   /evidence="ECO:0000255"
FT   CHAIN           24..55
FT                   /note="Neurotoxin BmKX-A1-S31"
FT                   /id="PRO_0000035339"
FT   DISULFID        30..45
FT                   /evidence="ECO:0000250"
FT   DISULFID        36..50
FT                   /evidence="ECO:0000250"
FT   DISULFID        39..53
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   55 AA;  6145 MW;  FDEBA914C4D6A388 CRC64;
     MKIFFAVLVI LVLFSMLIWT AYGAPYPVNC KTDRDCVMCG LGISCKNGYC QSCTR