CM34_CONLT
ID CM34_CONLT Reviewed; 70 AA.
AC Q2I2Q2;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 07-MAR-2006, sequence version 1.
DT 25-MAY-2022, entry version 32.
DE RecName: Full=Conotoxin Lt3.4;
DE AltName: Full=Lt3d;
DE Flags: Precursor;
OS Conus litteratus (Lettered cone).
OC Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Gastropoda;
OC Caenogastropoda; Neogastropoda; Conoidea; Conidae; Conus; Elisaconus.
OX NCBI_TaxID=89445;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC TISSUE=Venom duct;
RX PubMed=16908117; DOI=10.1016/j.ygeno.2006.06.014;
RA Pi C., Liu J., Peng C., Liu Y., Jiang X., Zhao Y., Tang S., Wang L.,
RA Dong M., Chen S., Xu A.;
RT "Diversity and evolution of conotoxins based on gene expression profiling
RT of Conus litteratus.";
RL Genomics 88:809-819(2006).
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305}.
CC -!- TISSUE SPECIFICITY: Expressed by the venom duct.
CC {ECO:0000305|PubMed:16908117}.
CC -!- DOMAIN: The cysteine framework is III (CC-C-C-CC). Classified in the M-
CC 1 branch, since 1 residue stands 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; DQ345380; ABC74988.1; -; mRNA.
DR AlphaFoldDB; Q2I2Q2; -.
DR PRIDE; Q2I2Q2; -.
DR ConoServer; 1166; LtIIID 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 Disulfide bond; Pyrrolidone carboxylic acid; Secreted; Signal; Toxin.
FT SIGNAL 1..24
FT /evidence="ECO:0000255"
FT PROPEP 25..54
FT /evidence="ECO:0000250"
FT /id="PRO_0000315531"
FT PEPTIDE 55..70
FT /note="Conotoxin Lt3.4"
FT /id="PRO_0000315532"
FT MOD_RES 55
FT /note="Pyrrolidone carboxylic acid"
FT /evidence="ECO:0000250"
FT DISULFID 56..68
FT /evidence="ECO:0000250|UniProtKB:Q5EHP3"
FT DISULFID 57..66
FT /evidence="ECO:0000250|UniProtKB:Q5EHP3"
FT DISULFID 62..69
FT /evidence="ECO:0000250|UniProtKB:Q5EHP3"
SQ SEQUENCE 70 AA; 8440 MW; 6BC997BEFB356213 CRC64;
MLKMGVLLFT FLVLFPLAMF QLDADQPVER YAENKQDLNR DERMKIMLSA LRQRQCCDWE
WCDELCSCCW