UniProtKB - P85272 (TXF22_CTEON)
Protein
U2-ctenitoxin-Co1a
Gene
N/A
Organism
Ctenus ornatus (Brazilian spider) (Oligoctenus ornatus)
Status
Functioni
Omega-agatoxins are antagonists of voltage-gated calcium channels (Cav).By similarity
GO - Molecular functioni
- toxin activity Source: UniProtKB-KW
Keywordsi
Molecular function | Calcium channel impairing toxin, Ion channel impairing toxin, Neurotoxin, Toxin, Voltage-gated calcium channel impairing toxin |
Names & Taxonomyi
Protein namesi | Recommended name: U2-ctenitoxin-Co1aShort name: U2-CNTX-Co1a Alternative name(s): Neurotoxin Oc F22 |
Organismi | Ctenus ornatus (Brazilian spider) (Oligoctenus ornatus) |
Taxonomic identifieri | 406443 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Ecdysozoa › Arthropoda › Chelicerata › Arachnida › Araneae › Araneomorphae › Entelegynae › Lycosoidea › Ctenidae › Oligoctenus |
Organism-specific databases
ArachnoServeri | AS000309 U2-ctenitoxin-Co1a |
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 |
---|---|---|---|---|
ChainiPRO_0000302124 | 1 – ›39 | U2-ctenitoxin-Co1aAdd BLAST | ›39 |
Post-translational modificationi
Disulfide bonds are present.By similarity
Keywords - PTMi
Disulfide bondExpressioni
Tissue specificityi
Expressed by the venom gland.1 Publication
Family & Domainsi
Sequence similaritiesi
Family and domain databases
InterProi | View protein in InterPro IPR005853 Omega-agatoxin_II/III_CS IPR013605 Toxin_34 |
Pfami | View protein in Pfam PF08396 Toxin_34, 1 hit |
PROSITEi | View protein in PROSITE PS60023 OMEGA_AGA_II_III, 1 hit |
i Sequence
Sequence statusi: Fragment.
Experimental Info
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Non-terminal residuei | 39 | 1 |
Mass spectrometryi
Similar proteinsi
Cross-referencesi
3D structure databases
SMRi | P85272 |
ModBasei | Search... |
MobiDBi | Search... |
Protocols and materials databases
Structural Biology Knowledgebase | Search... |
Organism-specific databases
ArachnoServeri | AS000309 U2-ctenitoxin-Co1a |
Family and domain databases
InterProi | View protein in InterPro IPR005853 Omega-agatoxin_II/III_CS IPR013605 Toxin_34 |
Pfami | View protein in Pfam PF08396 Toxin_34, 1 hit |
PROSITEi | View protein in PROSITE PS60023 OMEGA_AGA_II_III, 1 hit |
ProtoNeti | Search... |
Entry informationi
Entry namei | TXF22_CTEON | |
Accessioni | P85272Primary (citable) accession number: P85272 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | September 11, 2007 |
Last sequence update: | September 11, 2007 | |
Last modified: | June 20, 2018 | |
This is version 26 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Animal Toxin Annotation Program |
Miscellaneousi
Keywords - Technical termi
Direct protein sequencingDocuments
- SIMILARITY comments
Index of protein domains and families