UniProtKB - P0C8V3 (CM3B_CONSR)
Protein
Mu-conotoxin-like SxIIIB
Gene
N/A
Organism
Conus striolatus (Cone snail)
Status
Functioni
Mu-conotoxins block voltage-gated sodium channels (Nav).By similarity
GO - Molecular functioni
- toxin activity Source: UniProtKB-KW
Keywordsi
Molecular function | Ion channel impairing toxin, Neurotoxin, Toxin, Voltage-gated sodium channel impairing toxin |
Names & Taxonomyi
Protein namesi | Recommended name: Mu-conotoxin-like SxIIIB1 Publication |
Organismi | Conus striolatus (Cone snail) |
Taxonomic identifieri | 101315 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Lophotrochozoa › Mollusca › Gastropoda › Caenogastropoda › Neogastropoda › Conoidea › Conidae › Conus › Pionoconus |
Organism-specific databases
ConoServeri | 3585 SxIIIB |
Subcellular locationi
Extracellular region or secreted
- Secreted 1 Publication
Extracellular region or secreted
- extracellular region Source: UniProtKB-SubCell
Keywords - Cellular componenti
SecretedPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
PeptideiPRO_0000366073 | 1 – 23 | Mu-conotoxin-like SxIIIB1 PublicationAdd BLAST | 23 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Modified residuei | 1 | Pyrrolidone carboxylic acid1 Publication | 1 | |
Disulfide bondi | 3 ↔ 16 | 1 Publication | ||
Disulfide bondi | 4 ↔ 21 | 1 Publication | ||
Disulfide bondi | 11 ↔ 22 | 1 Publication | ||
Modified residuei | 23 | Alanine amide1 Publication | 1 |
Keywords - PTMi
Amidation, Disulfide bond, Pyrrolidone carboxylic acidExpressioni
Tissue specificityi
Expressed by the venom duct.1 Publication
Family & Domainsi
Domaini
The cysteine framework is III (CC-C-C-CC). Classified in the M-4 branch, since 4 residues stand between the fourth and the fifth cysteine residues.Curated
Sequence similaritiesi
Belongs to the conotoxin M superfamily.Curated
i Sequence
Sequence statusi: Complete.
Similar proteinsi
Cross-referencesi
3D structure databases
ModBasei | Search... |
MobiDBi | Search... |
Protocols and materials databases
Structural Biology Knowledgebase | Search... |
Organism-specific databases
ConoServeri | 3585 SxIIIB |
Family and domain databases
ProtoNeti | Search... |
Entry informationi
Entry namei | CM3B_CONSR | |
Accessioni | P0C8V3Primary (citable) accession number: P0C8V3 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | March 3, 2009 |
Last sequence update: | March 3, 2009 | |
Last modified: | September 12, 2018 | |
This is version 24 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Animal Toxin Annotation Program |