Bioactive peptide information

BP0401

Name

Potassium channel toxin alpha-KTx 5.1

Organism

Leiurus quinquestriatus hebraeus

Family

Potassium channel inhibitor family

Classification

Toxin and venom peptide

UniProt ID

GO ID	GO Term	Definition	Evidence
GO:0005576	Cellular Component	extracellular region	IEA
GO:0008200	Molecular Function	ion channel inhibitor activity	IEA
GO:0006952	Biological Process	defense response	IEA
GO:0009405	Biological Process	pathogenesis	IEA

Modification

Modification	Residue	Position
Histidine amide	His	31

Length

Sequence

AFCNLRMCQL SCRSLGLLGK CIGDKCECVK H

Properties

Disulfide bond

Structure

DSSP

Helix (H, G, I): 31.25%

Beta strand (B, E): 25.00%

Turn (S, T): 15.63%

Coil (C): 28.13%

1 AFCNLRMCQL SCRSLGLLGK CIGDKCECVK HX
HHHHHH HHHHTT EEE E SSSEEEE

Pfam

Accession NO.	Identifier	Description
PF00451	Toxin_2	Scorpion short toxin, BmKK2

SCOP

Class	Fold	Superfamily	Family
Small proteins	Knottins (small inhibitors, toxins, lectins)	Scorpion toxin-like	Short-chain scorpion toxins

CATH