Peptide Database

Peptide NamePotassium channel toxin alpha-KTx 2.13

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC175H286N48O47S6

DescriptionStandard

        IFINVKCSSPQQCLKPCKAAFGISAGGKCINGKCKCYP
    

Molecular Weight4006.83 Da

Isoelectric Point (pI)9.27

Net Charge (pH 7.0)5.69

Net Charge (pH 7.4) 5.39

Charge Density (pH 7.0) 0.1498

GRAVY Index0.12

Hydrophobic Moment 0.42

Boman Index0.09

Instability Index28.47

Aliphatic Index 66.84

Aromaticity 0.0789

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1865.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1523.05

LogP -16.63

H-bond Donors 56.0

H-bond Acceptors 59.0

Rotatable Bonds 132.0

Heavy Atoms 276.0

Ring Count 6.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0076726 VERIFIED: NO

Provenance & Taxonomy

OrganismCentruroides suffusus suffusus [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide7-29; 13-34; 17-36

Bio-Activity Profile

Function

Toxin

TargetKv1.2/KCNA2

RECORD: Rec_0096822 VERIFIED: NO