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UniProtKB - Q86QV0 (KGX15_CENLI)
Protein
Potassium channel toxin gamma-KTx 1.5
Gene
N/A
Organism
Centruroides limpidus (Mexican scorpion)
Status
Functioni
Blocks Kv11/ERG potassium channels.
By similarityGO - Molecular functioni
- potassium channel inhibitor activity Source: InterPro
- toxin activity Source: UniProtKB-KW
Keywordsi
Molecular function | Ion channel impairing toxin, Neurotoxin, Potassium channel impairing toxin, Toxin, Voltage-gated potassium channel impairing toxin |
Names & Taxonomyi
Protein namesi | Recommended name: Potassium channel toxin gamma-KTx 1.51 PublicationAlternative name(s): CllErgTx11 Publication Short name: CllErg11 Publication Ergtoxin-like protein1 Publication |
Organismi | Centruroides limpidus (Mexican scorpion) |
Taxonomic identifieri | 6876 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Ecdysozoa › Arthropoda › Chelicerata › Arachnida › Scorpiones › Buthida › Buthoidea › Buthidae › Centruroides |
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_0000066850 | 1 – 42 | Potassium channel toxin gamma-KTx 1.5Add BLAST | 42 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Disulfide bondi | 5 ↔ 23 | By similarity | ||
Disulfide bondi | 11 ↔ 34 | By similarity | ||
Disulfide bondi | 20 ↔ 39 | By similarity | ||
Disulfide bondi | 24 ↔ 41 | By similarity |
Keywords - PTMi
Disulfide bondExpressioni
Tissue specificityi
Expressed by the venom gland.Curated
Family & Domainsi
Domaini
The presence of a 'disulfide through disulfide knot' structurally defines this protein as a knottin.By similarity
Has the CSalpha/beta fold, which comprises one or two short alpha helices connected to anti-parallel beta-sheets stabilized by three or four disulfide bonds.By similarity
Sequence similaritiesi
Keywords - Domaini
KnottinFamily and domain databases
Gene3Di | 3.30.30.10, 1 hit |
InterProi | View protein in InterPro IPR012622, Ergtoxin IPR036574, Scorpion_toxin-like_sf |
Pfami | View protein in Pfam PF08086, Toxin_17, 1 hit |
SUPFAMi | SSF57095, SSF57095, 1 hit |
PROSITEi | View protein in PROSITE PS60026, ERGTX, 1 hit |
i Sequence
Sequence statusi: Complete.
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AY159343 mRNA Translation: AAO22221.1 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AY159343 mRNA Translation: AAO22221.1 |
3D structure databases
AlphaFoldDBi | Q86QV0 |
SMRi | Q86QV0 |
ModBasei | Search... |
Family and domain databases
Gene3Di | 3.30.30.10, 1 hit |
InterProi | View protein in InterPro IPR012622, Ergtoxin IPR036574, Scorpion_toxin-like_sf |
Pfami | View protein in Pfam PF08086, Toxin_17, 1 hit |
SUPFAMi | SSF57095, SSF57095, 1 hit |
PROSITEi | View protein in PROSITE PS60026, ERGTX, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | KGX15_CENLI | |
Accessioni | Q86QV0Primary (citable) accession number: Q86QV0 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | October 31, 2003 |
Last sequence update: | June 1, 2003 | |
Last modified: | May 25, 2022 | |
This is version 61 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
- Scorpion potassium channel toxins
Nomenclature of scorpion potassium channel toxins and list of entries - SIMILARITY comments
Index of protein domains and families