M237_CONTS
ID M237_CONTS Reviewed; 68 AA.
AC Q9BPJ9;
DT 08-FEB-2011, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2001, sequence version 1.
DT 25-MAY-2022, entry version 50.
DE RecName: Full=Conotoxin TsMMSK-021;
DE AltName: Full=Conotoxin TsMMSK-022;
DE Flags: Precursor;
OS Conus tessulatus (Tessellate cone).
OC Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Gastropoda;
OC Caenogastropoda; Neogastropoda; Conoidea; Conidae; Conus; Tesselliconus.
OX NCBI_TaxID=101317;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC TISSUE=Venom duct;
RX PubMed=11158371; DOI=10.1093/oxfordjournals.molbev.a003786;
RA Conticello S.G., Gilad Y., Avidan N., Ben-Asher E., Levy Z., Fainzilber M.;
RT "Mechanisms for evolving hypervariability: the case of conopeptides.";
RL Mol. Biol. Evol. 18:120-131(2001).
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305|PubMed:11158371}.
CC -!- TISSUE SPECIFICITY: Expressed by the venom duct.
CC {ECO:0000305|PubMed:11158371}.
CC -!- DOMAIN: The cysteine framework is III (CC-C-C-CC). Classified in the M-
CC 2 branch, since 2 residues stand between the fourth and the fifth
CC cysteine residues. {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the conotoxin M superfamily. {ECO:0000305}.
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DR EMBL; AF214924; AAG60352.1; -; mRNA.
DR AlphaFoldDB; Q9BPJ9; -.
DR ConoServer; 611; TsMMSK-021 precursor.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0008200; F:ion channel inhibitor activity; IEA:InterPro.
DR GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
DR InterPro; IPR004214; Conotoxin.
DR Pfam; PF02950; Conotoxin; 1.
PE 3: Inferred from homology;
KW Cleavage on pair of basic residues; Disulfide bond; Hydroxylation;
KW Neurotoxin; Secreted; Signal; Toxin.
FT SIGNAL 1..20
FT /evidence="ECO:0000255"
FT PROPEP 21..50
FT /evidence="ECO:0000250"
FT /id="PRO_0000404910"
FT PEPTIDE 53..68
FT /note="Conotoxin TsMMSK-021"
FT /id="PRO_0000404911"
FT MOD_RES 64
FT /note="4-hydroxyproline"
FT /evidence="ECO:0000250"
FT DISULFID 53..66
FT /evidence="ECO:0000250|UniProtKB:P0CI24"
FT DISULFID 54..62
FT /evidence="ECO:0000250|UniProtKB:P0CI24"
FT DISULFID 58..65
FT /evidence="ECO:0000250|UniProtKB:P0CI24"
SQ SEQUENCE 68 AA; 7526 MW; C6C4B30552DDC946 CRC64;
MMSKLGVLLT ICLLLFPLTA VPLDGDQHAD RPADRMQDIS SEQHPLFDPV KRCCDWPCTI
GCVPCCLP