ID   CM3I_CONRE              Reviewed;          17 AA.
AC   P0DPJ6;
DT   18-JUL-2018, integrated into UniProtKB/Swiss-Prot.
DT   18-JUL-2018, sequence version 1.
DT   25-MAY-2022, entry version 7.
DE   RecName: Full=Conotoxin reg3i {ECO:0000303|PubMed:29283511};
OS   Conus regius (Crown cone).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Gastropoda;
OC   Caenogastropoda; Neogastropoda; Conoidea; Conidae; Conus; Stephanoconus.
OX   NCBI_TaxID=101314;
RN   [1]
RP   PROTEIN SEQUENCE, MASS SPECTROMETRY, SUBCELLULAR LOCATION, AND
RP   HYDROXYLATION AT PRO-17.
RC   TISSUE=Venom;
RX   PubMed=29283511; DOI=10.1111/febs.14372;
RA   Franco A., Dovell S., Moller C., Grandal M., Clark E., Mari F.;
RT   "Structural plasticity of Mini-M conotoxins: expression of all mini-M
RT   subtypes by Conus regius.";
RL   FEBS J. 285:887-902(2017).
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:29283511}.
CC   -!- TISSUE SPECIFICITY: Expressed by the venom duct.
CC       {ECO:0000305|PubMed:29283511}.
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   -!- MASS SPECTROMETRY: Mass=2060.5; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:29283511};
CC   -!- SIMILARITY: Belongs to the conotoxin M superfamily. {ECO:0000305}.
CC   -!- CAUTION: Experimental mass obtained by mass spectrometry (2060.5 Da) is
CC       very different from the calculated average mass 1821.25 Da, even with
CC       consideration of post-translational modifications. {ECO:0000305}.
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DR   AlphaFoldDB; P0DPJ6; -.
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; Hydroxylation; Secreted; Toxin.
FT   PEPTIDE         1..17
FT                   /note="Conotoxin reg3i"
FT                   /evidence="ECO:0000269|PubMed:29283511"
FT                   /id="PRO_0000444766"
FT   MOD_RES         17
FT                   /note="4-hydroxyproline"
FT                   /evidence="ECO:0000269|PubMed:29283511"
FT   DISULFID        1..16
FT                   /evidence="ECO:0000250|UniProtKB:P85021"
FT   DISULFID        2..12
FT                   /evidence="ECO:0000250|UniProtKB:P85021"
FT   DISULFID        7..15
FT                   /evidence="ECO:0000250|UniProtKB:P85021"
SQ   SEQUENCE   17 AA;  1821 MW;  BD9D8A7483BECA6C CRC64;
     CCAIRLCNVY LCGSCCP