UniProtKB - P84017 (TX24_PHONI)
Protein
U13-ctenitoxin-Pn1b
Gene
N/A
Organism
Phoneutria nigriventer (Brazilian armed spider) (Ctenus nigriventer)
Status
Functioni
Acts as a neurotoxin.Curated
GO - Molecular functioni
- toxin activity Source: UniProtKB-KW
GO - Biological processi
- pathogenesis Source: InterPro
Keywordsi
Molecular function | Neurotoxin, Toxin |
Names & Taxonomyi
Protein namesi | Recommended name: U13-ctenitoxin-Pn1bShort name: U13-CNTX-Pn1b Alternative name(s): Neurotoxin PNTx24A0C3 |
Organismi | Phoneutria nigriventer (Brazilian armed spider) (Ctenus nigriventer) |
Taxonomic identifieri | 6918 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Ecdysozoa › Arthropoda › Chelicerata › Arachnida › Araneae › Araneomorphae › Entelegynae › Lycosoidea › Ctenidae › Phoneutria |
Organism-specific databases
ArachnoServeri | AS000240, U13-ctenitoxin-Pn1b |
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_0000044974 | 1 – 31 | U13-ctenitoxin-Pn1bAdd BLAST | 31 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Disulfide bondi | 3 ↔ 17 | By similarity | ||
Disulfide bondi | 10 ↔ 21 | By similarity | ||
Disulfide bondi | 16 ↔ 30 | By similarity |
Keywords - PTMi
Disulfide bondExpressioni
Tissue specificityi
Expressed by the venom gland.1 Publication
Family & Domainsi
Domaini
The presence of a 'disulfide through disulfide knot' structurally defines this protein as a knottin.By similarity
Sequence similaritiesi
Belongs to the neurotoxin 17 (21C2) family.Curated
Keywords - Domaini
KnottinFamily and domain databases
InterProi | View protein in InterPro IPR012634, Toxin_29 |
Pfami | View protein in Pfam PF08116, Toxin_29, 1 hit |
i Sequence
Sequence statusi: Complete.
Mass spectrometryi
Molecular mass is 3510.2 Da. Determined by ESI. 1 Publication
Similar proteinsi
Cross-referencesi
3D structure databases
SMRi | P84017 |
ModBasei | Search... |
Organism-specific databases
ArachnoServeri | AS000240, U13-ctenitoxin-Pn1b |
Family and domain databases
InterProi | View protein in InterPro IPR012634, Toxin_29 |
Pfami | View protein in Pfam PF08116, Toxin_29, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | TX24_PHONI | |
Accessioni | P84017Primary (citable) accession number: P84017 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | July 19, 2004 |
Last sequence update: | July 5, 2004 | |
Last modified: | December 11, 2019 | |
This is version 35 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