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UniProtKB - E4VP04 (KXA3_MESEU)
Protein
Potassium channel toxin MeuTXKalpha3
Gene
N/A
Organism
Mesobuthus eupeus (Lesser Asian scorpion) (Buthus eupeus)
Status
Functioni
May block voltage-gated potassium channels (Kv).
1 PublicationSites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sitei | 49 | Basic residue of the functional dyad1 Publication | 1 | |
Sitei | 58 | Aromatic residue of the functional dyad1 Publication | 1 |
GO - Molecular functioni
- potassium channel regulator activity Source: UniProtKB-KW
- toxin activity Source: UniProtKB-KW
Keywordsi
Molecular function | Ion channel impairing toxin, Potassium channel impairing toxin, Toxin, Voltage-gated potassium channel impairing toxin |
Names & Taxonomyi
Protein namesi | Recommended name: Potassium channel toxin MeuTXKalpha31 Publication |
Organismi | Mesobuthus eupeus (Lesser Asian scorpion) (Buthus eupeus) |
Taxonomic identifieri | 34648 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Ecdysozoa › Arthropoda › Chelicerata › Arachnida › Scorpiones › Buthida › Buthoidea › Buthidae › Mesobuthus |
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 |
---|---|---|---|---|
Signal peptidei | 1 – 22 | Sequence analysisAdd BLAST | 22 | |
PeptideiPRO_5007653880 | 23 – 59 | Potassium channel toxin MeuTXKalpha31 PublicationAdd BLAST | 37 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Disulfide bondi | 32 ↔ 50 | By similarity | ||
Disulfide bondi | 37 ↔ 55 | By similarity | ||
Disulfide bondi | 41 ↔ 57 | By similarity | ||
Modified residuei | 59 | Proline amide1 Publication | 1 |
Keywords - PTMi
Amidation, Disulfide bondExpressioni
Tissue specificityi
Expressed by the venom gland.1 Publication
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
E4VP04-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MKNYCGIITL FLAIISATGV FCVDFPNKGG KCDRKECRKT CKKLNYRGKC
60
FPNYCRCFPG
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | EF442052 mRNA Translation: ABR20117.1 EF442053 mRNA Translation: ABR20118.1 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | EF442052 mRNA Translation: ABR20117.1 EF442053 mRNA Translation: ABR20118.1 |
3D structure databases
AlphaFoldDBi | E4VP04 |
SMRi | E4VP04 |
ModBasei | Search... |
Family and domain databases
MobiDBi | Search... |
Entry informationi
Entry namei | KXA3_MESEU | |
Accessioni | E4VP04Primary (citable) accession number: E4VP04 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | January 31, 2018 |
Last sequence update: | February 8, 2011 | |
Last modified: | May 25, 2022 | |
This is version 15 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Animal Toxin Annotation Program |