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P10454

- TXA2_ANTFU

UniProt

P10454 - TXA2_ANTFU

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Protein

Neurotoxin-2

Gene
N/A
Organism
Anthopleura fuscoviridis (Sea anemone)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at protein leveli

Functioni

Binds specifically to the sodium channel (Nav), thereby delaying its inactivation during signal transduction. Thus it strongly stimulates mammalian cardiac muscle contraction.

GO - Biological processi

  1. regulation of signal transduction Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Cardiotoxin, Ion channel impairing toxin, Neurotoxin, Toxin, Voltage-gated sodium channel impairing toxin

Names & Taxonomyi

Protein namesi
Recommended name:
Neurotoxin-2
Alternative name(s):
Toxin AFT-II
Short name:
Toxin AFII
OrganismiAnthopleura fuscoviridis (Sea anemone)
Taxonomic identifieri6111 [NCBI]
Taxonomic lineageiEukaryotaMetazoaCnidariaAnthozoaHexacoralliaActiniariaNynantheaeActiniidaeAnthopleura

Subcellular locationi

GO - Cellular componenti

  1. extracellular region Source: UniProtKB-KW
  2. nematocyst Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Nematocyst, Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 4848Neurotoxin-2PRO_0000221519Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi5 ↔ 451 Publication
Disulfide bondi7 ↔ 351 Publication
Disulfide bondi28 ↔ 461 Publication

Keywords - PTMi

Disulfide bond

Structurei

3D structure databases

ProteinModelPortaliP10454.
SMRiP10454. Positions 2-48.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Family and domain databases

Gene3Di2.20.20.10. 1 hit.
InterProiIPR000693. Anenome_toxin.
IPR023355. Myo_neuro_toxin.
[Graphical view]
PfamiPF00706. Toxin_4. 1 hit.
[Graphical view]
PIRSFiPIRSF001905. Anenome_toxin. 1 hit.

Sequencei

Sequence statusi: Complete.

P10454-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40 
GGVPCLCDSD GPSVRGNTLS GIIWLAGCPS GWHNCKAHGP TIGWCCKQ
Length:48
Mass (Da):4,941
Last modified:July 1, 1989 - v1
Checksum:i3CD4B66FADA1D999
GO

Sequence databases

PIRiB25860.

Cross-referencesi

Sequence databases

PIRi B25860.

3D structure databases

ProteinModelPortali P10454.
SMRi P10454. Positions 2-48.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

Gene3Di 2.20.20.10. 1 hit.
InterProi IPR000693. Anenome_toxin.
IPR023355. Myo_neuro_toxin.
[Graphical view ]
Pfami PF00706. Toxin_4. 1 hit.
[Graphical view ]
PIRSFi PIRSF001905. Anenome_toxin. 1 hit.
ProtoNeti Search...

Publicationsi

  1. "Amino acid sequence of two sea anemone toxins from Anthopleura fuscoviridis."
    Sunahara S., Muramoto K., Tenma K., Kamiya H.
    Toxicon 25:211-219(1987) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE, DISULFIDE BONDS.
    Tissue: Nematoblast.

Entry informationi

Entry nameiTXA2_ANTFU
AccessioniPrimary (citable) accession number: P10454
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: July 1, 1989
Last modified: October 29, 2014
This is version 66 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programAnimal Toxin Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3