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UniProtKB - P86406 (SCXNF_MESEU)
Protein
Sodium channel neurotoxin MeuNaTxalpha-15
Gene
N/A
Organism
Mesobuthus eupeus (Lesser Asian scorpion) (Buthus eupeus)
Status
Functioni
Inhibits sodium channels (Nav). Has antimicrobial activity.
1 PublicationCaution
Zhu and colleagues published information on another 'Neurotoxin MeuNaTx-6' in 2012 (AC E7CZY9), whose sequence highly differs from the one presented here.Curated
GO - Molecular functioni
- sodium channel inhibitor activity Source: InterPro
- toxin activity Source: UniProtKB-KW
GO - Biological processi
- defense response Source: InterPro
- modulation by symbiont of host nervous system process Source: InterPro
Keywordsi
Molecular function | Antimicrobial, Ion channel impairing toxin, Neurotoxin, Toxin, Voltage-gated sodium channel impairing toxin |
Names & Taxonomyi
Protein namesi | Recommended name: Sodium channel neurotoxin MeuNaTxalpha-15ImportedAlternative name(s): Sodium channel neurotoxin MeuNaTxalpha-61 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 – 20 | 1 PublicationAdd BLAST | 20 | |
ChainiPRO_0000401123 | 21 – 86 | Sodium channel neurotoxin MeuNaTxalpha-151 PublicationAdd BLAST | 66 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Disulfide bondi | 32 ↔ 82 | By similarity | ||
Disulfide bondi | 36 ↔ 57 | By similarity | ||
Disulfide bondi | 43 ↔ 64 | By similarity | ||
Disulfide bondi | 47 ↔ 66 | By similarity |
Keywords - PTMi
Disulfide bondExpressioni
Tissue specificityi
Expressed by the venom gland.1 Publication
Family & Domainsi
Domains and Repeats
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Domaini | 21 – 83 | LCN-type CS-alpha/betaPROSITE-ProRule annotationAdd BLAST | 63 |
Domaini
Has the structural arrangement of an alpha-helix connected to antiparallel beta-sheets by disulfide bonds (CS-alpha/beta).Curated
Sequence similaritiesi
Belongs to the long (4 C-C) scorpion toxin superfamily. Sodium channel inhibitor family.Sequence analysis
Keywords - Domaini
SignalFamily and domain databases
CDDi | cd00107, Knot1, 1 hit |
Gene3Di | 3.30.30.10, 1 hit |
InterProi | View protein in InterPro IPR044062, LCN-type_CS_alpha_beta_dom IPR003614, Scorpion_toxin-like IPR036574, Scorpion_toxin-like_sf IPR018218, Scorpion_toxinL IPR002061, Scorpion_toxinL/defensin |
Pfami | View protein in Pfam PF00537, Toxin_3, 1 hit |
PRINTSi | PR00285, SCORPNTOXIN |
SMARTi | View protein in SMART SM00505, Knot1, 1 hit |
SUPFAMi | SSF57095, SSF57095, 1 hit |
PROSITEi | View protein in PROSITE PS51863, LCN_CSAB, 1 hit |
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
P86406-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MMKIIIFLIV SSLVLIGVKT DNGYLLDKYT GCKVWCVINN ESCNSECKIR
60 70 80
RGNYGYCYFW KLACYCEGAP KSELWHYETN KCNGRM
Mass spectrometryi
Molecular mass is 7785 Da. Determined by MALDI. 1 Publication
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | EF445089 mRNA Translation: ABR21064.1 GU187954 mRNA Translation: ADT64277.1 GU187957 mRNA Translation: ADT64280.1 GU187955 mRNA Translation: ADT64278.1 GU187956 mRNA Translation: ADT64279.1 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | EF445089 mRNA Translation: ABR21064.1 GU187954 mRNA Translation: ADT64277.1 GU187957 mRNA Translation: ADT64280.1 GU187955 mRNA Translation: ADT64278.1 GU187956 mRNA Translation: ADT64279.1 |
3D structure databases
AlphaFoldDBi | P86406 |
SMRi | P86406 |
ModBasei | Search... |
Family and domain databases
CDDi | cd00107, Knot1, 1 hit |
Gene3Di | 3.30.30.10, 1 hit |
InterProi | View protein in InterPro IPR044062, LCN-type_CS_alpha_beta_dom IPR003614, Scorpion_toxin-like IPR036574, Scorpion_toxin-like_sf IPR018218, Scorpion_toxinL IPR002061, Scorpion_toxinL/defensin |
Pfami | View protein in Pfam PF00537, Toxin_3, 1 hit |
PRINTSi | PR00285, SCORPNTOXIN |
SMARTi | View protein in SMART SM00505, Knot1, 1 hit |
SUPFAMi | SSF57095, SSF57095, 1 hit |
PROSITEi | View protein in PROSITE PS51863, LCN_CSAB, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | SCXNF_MESEU | |
Accessioni | P86406Primary (citable) accession number: P86406 Secondary accession number(s): E4VP47, R4H619 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | November 30, 2010 |
Last sequence update: | July 3, 2019 | |
Last modified: | May 25, 2022 | |
This is version 27 of the entry and version 2 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