ID   CM3A_CONPB              Reviewed;          18 AA.
AC   P0DMA1;
DT   11-DEC-2013, integrated into UniProtKB/Swiss-Prot.
DT   11-DEC-2013, sequence version 1.
DT   25-MAY-2022, entry version 14.
DE   RecName: Full=Conotoxin pc3a {ECO:0000303|PubMed:22776330};
OS   Conus pictus (Cone snail).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Gastropoda;
OC   Caenogastropoda; Neogastropoda; Conoidea; Conidae; Conus; Sciteconus.
OX   NCBI_TaxID=1042615;
RN   [1]
RP   PROTEIN SEQUENCE, MASS SPECTROMETRY, AND SUBCELLULAR LOCATION.
RC   TISSUE=Venom;
RX   PubMed=22776330; DOI=10.1016/j.peptides.2012.07.002;
RA   Peigneur S., Van Der Haegen A., Moller C., Waelkens E., Diego-Garcia E.,
RA   Mari F., Naude R., Tytgat J.;
RT   "Unraveling the peptidome of the South African cone snails Conus pictus and
RT   Conus natalis.";
RL   Peptides 41:8-16(2013).
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:22776330}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom duct.
CC       {ECO:0000305|PubMed:22776330}.
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   -!- MASS SPECTROMETRY: Mass=1985.4; Method=Electrospray;
CC       Note=monoisotopic.; Evidence={ECO:0000269|PubMed:22776330};
CC   -!- SIMILARITY: Belongs to the conotoxin M superfamily. {ECO:0000305}.
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DR   AlphaFoldDB; P0DMA1; -.
DR   ConoServer; 5858; Pc3a.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0090729; F:toxin activity; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Disulfide bond; Secreted; Toxin.
FT   PEPTIDE         1..18
FT                   /note="Conotoxin pc3a"
FT                   /evidence="ECO:0000269|PubMed:22776330"
FT                   /id="PRO_0000424798"
FT   DISULFID        3..15
FT                   /evidence="ECO:0000250|UniProtKB:Q5EHP3"
FT   DISULFID        4..13
FT                   /evidence="ECO:0000250|UniProtKB:Q5EHP3"
FT   DISULFID        9..16
FT                   /evidence="ECO:0000250|UniProtKB:Q5EHP3"
SQ   SEQUENCE   18 AA;  1991 MW;  835EC0B779514DBA CRC64;
     HECCKKGFCD PGCDCCDQ