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P59886

- KAX38_HOTTS

UniProt

P59886 - KAX38_HOTTS

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Protein

Potassium channel toxin alpha-KTx 3.8

Gene
N/A
Organism
Hottentotta tamulus sindicus (Scorpion) (Buthus sindicus)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at protein leveli

Functioni

Potassium channel inhibitor.By similarity

GO - Molecular functioni

  1. ion channel inhibitor activity Source: InterPro

GO - Biological processi

  1. defense response Source: InterPro
  2. pathogenesis Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Ion channel impairing toxin, Neurotoxin, Potassium channel impairing toxin, Toxin

Names & Taxonomyi

Protein namesi
Recommended name:
Potassium channel toxin alpha-KTx 3.8
Alternative name(s):
Charybdotoxin-like peptide Bs 6
Short name:
Bs6
OrganismiHottentotta tamulus sindicus (Scorpion) (Buthus sindicus)
Taxonomic identifieri42519 [NCBI]
Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaChelicerataArachnidaScorpionesButhidaButhoideaButhidaeMesobuthus

Subcellular locationi

GO - Cellular componenti

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

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Peptidei1 – 3838Potassium channel toxin alpha-KTx 3.8PRO_0000044900Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi8 ↔ 28By similarity
Disulfide bondi14 ↔ 33By similarity
Disulfide bondi18 ↔ 35By similarity

Keywords - PTMi

Disulfide bond

Expressioni

Tissue specificityi

Expressed by the venom gland.

Structurei

3D structure databases

ProteinModelPortaliP59886.
SMRiP59886. Positions 1-38.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni26 – 338Interaction with Ca(2+)-activated K(+) channelsBy similarity

Sequence similaritiesi

Family and domain databases

Gene3Di3.30.30.10. 1 hit.
InterProiIPR003614. Scorpion_toxin-like.
IPR001947. Scorpion_toxinS_K_inh.
[Graphical view]
PfamiPF00451. Toxin_2. 1 hit.
[Graphical view]
PRINTSiPR00286. CHARYBDTOXIN.
ProDomiPD003586. Scorpion_toxinS. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SUPFAMiSSF57095. SSF57095. 1 hit.
PROSITEiPS01138. SCORP_SHORT_TOXIN. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P59886-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30
GVPINVKCRG SPQCIQPCRD AGMRFGKCMN GKCHCTPQ
Length:38
Mass (Da):4,122
Last modified:September 26, 2003 - v1
Checksum:i1F2505014F8D2174
GO

Mass spectrometryi

Molecular mass is 4121.4 Da from positions 1 - 38. Determined by MALDI. 1 Publication

Cross-referencesi

3D structure databases

ProteinModelPortali P59886.
SMRi P59886. Positions 1-38.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

Gene3Di 3.30.30.10. 1 hit.
InterProi IPR003614. Scorpion_toxin-like.
IPR001947. Scorpion_toxinS_K_inh.
[Graphical view ]
Pfami PF00451. Toxin_2. 1 hit.
[Graphical view ]
PRINTSi PR00286. CHARYBDTOXIN.
ProDomi PD003586. Scorpion_toxinS. 1 hit.
[Graphical view ] [Entries sharing at least one domain ]
SUPFAMi SSF57095. SSF57095. 1 hit.
PROSITEi PS01138. SCORP_SHORT_TOXIN. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Purification and primary structure of low molecular mass peptides from scorpion (Buthus sindicus) venom."
    Ali S.A., Stoeva S., Schuetz J., Kayed R., Abbasi A., Zaidi Z.H., Voelter W.
    Comp. Biochem. Physiol. 121A:323-332(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE, MASS SPECTROMETRY.
    Tissue: Venom.

Entry informationi

Entry nameiKAX38_HOTTS
AccessioniPrimary (citable) accession number: P59886
Entry historyi
Integrated into UniProtKB/Swiss-Prot: September 26, 2003
Last sequence update: September 26, 2003
Last modified: October 29, 2014
This is version 45 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. Scorpion potassium channel toxins
    Nomenclature of scorpion potassium channel toxins and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3