TX51A_SCOMU
ID TX51A_SCOMU Reviewed; 129 AA.
AC I6R1R5;
DT 19-FEB-2014, integrated into UniProtKB/Swiss-Prot.
DT 03-OCT-2012, sequence version 1.
DT 25-MAY-2022, entry version 16.
DE RecName: Full=Omega-scoloptoxin(05)-Ssm1a {ECO:0000303|PubMed:24847043};
DE Short=Omega-SLPTX(05)-Ssm1a {ECO:0000303|PubMed:24847043};
DE AltName: Full=Omega-scoloptoxin-Ssm1a {ECO:0000303|PubMed:22595790};
DE Short=Omega-SLPTX-Ssm1a {ECO:0000303|PubMed:22595790};
DE Flags: Precursor;
OS Scolopendra mutilans (Chinese red-headed centipede) (Scolopendra
OS subspinipes mutilans).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Myriapoda; Chilopoda;
OC Pleurostigmophora; Scolopendromorpha; Scolopendridae; Scolopendra.
OX NCBI_TaxID=2836329;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 47-129, FUNCTION, BIOASSAY,
RP DISULFIDE BONDS, MASS SPECTROMETRY, AND SUBCELLULAR LOCATION.
RC TISSUE=Venom, and Venom gland;
RX PubMed=22595790; DOI=10.1074/mcp.m112.018853;
RA Yang S., Liu Z., Xiao Y., Li Y., Rong M., Liang S., Zhang Z., Yu H.,
RA King G.F., Lai R.;
RT "Chemical punch packed in venoms makes centipedes excellent predators.";
RL Mol. Cell. Proteomics 11:640-650(2012).
RN [2]
RP NOMENCLATURE.
RX PubMed=24847043; DOI=10.1093/molbev/msu162;
RA Undheim E.A., Jones A., Clauser K.R., Holland J.W., Pineda S.S., King G.F.,
RA Fry B.G.;
RT "Clawing through evolution: toxin diversification and convergence in the
RT ancient lineage Chilopoda (centipedes).";
RL Mol. Biol. Evol. 31:2124-2148(2014).
CC -!- FUNCTION: Toxin that increase voltage-gated calcium channel (Cav)
CC currents in DRG neurons by 70% and 120%, when 1 uM and 10 uM are
CC tested, respectively. {ECO:0000269|PubMed:22595790}.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:22595790}.
CC -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC {ECO:0000305|PubMed:22595790}.
CC -!- PTM: Contains 3 disulfide bonds. {ECO:0000305}.
CC -!- MASS SPECTROMETRY: Mass=8810.4; Method=MALDI;
CC Evidence={ECO:0000269|PubMed:22595790};
CC -!- MISCELLANEOUS: Does not show insecticidal activity.
CC {ECO:0000305|PubMed:22595790}.
CC -!- SIMILARITY: Belongs to the scoloptoxin-05 family. {ECO:0000305}.
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DR EMBL; JN646117; AFM55006.1; -; mRNA.
DR AlphaFoldDB; I6R1R5; -.
DR SMR; I6R1R5; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0005246; F:calcium channel regulator activity; IEA:UniProtKB-KW.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR InterPro; IPR045860; Snake_toxin-like_sf.
DR SUPFAM; SSF57302; SSF57302; 1.
PE 1: Evidence at protein level;
KW Calcium channel impairing toxin; Direct protein sequencing; Disulfide bond;
KW Ion channel impairing toxin; Neurotoxin; Secreted; Signal; Toxin;
KW Voltage-gated calcium channel impairing toxin.
FT SIGNAL 1..24
FT /evidence="ECO:0000255"
FT PROPEP 25..46
FT /evidence="ECO:0000305|PubMed:22595790"
FT /id="PRO_0000425464"
FT CHAIN 47..129
FT /note="Omega-scoloptoxin(05)-Ssm1a"
FT /evidence="ECO:0000269|PubMed:22595790"
FT /id="PRO_0000425465"
SQ SEQUENCE 129 AA; 13873 MW; A3BC40DF1196962D CRC64;
MPSLCIIALF GTLTFYTLIP SIHTLKCVRC DGPMSNYDCK TTYPAAEECP SLSGGSSNYC
SKKETFTSNG NLEQTRRYCN SVAAPSTACT DLKTGGKLCE YSCNTDGCNS VAGMEPTRAV
YFIAILMLA