Peptide Database

Peptide NamePotassium channel toxin alpha-KTx 13.4

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC94H157N35O28S6

DescriptionStandard

        GCRQCGGGCNKHGKCINGKCKCY
    

Molecular Weight2417.86 Da

Isoelectric Point (pI)9.13

Net Charge (pH 7.0)4.78

Net Charge (pH 7.4) 4.43

Charge Density (pH 7.0) 0.2080

GRAVY Index-0.78

Hydrophobic Moment 0.42

Boman Index-0.22

Instability Index17.26

Aliphatic Index 16.96

Aromaticity 0.0435

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 1047.68

LogP -15.81

H-bond Donors 42.0

H-bond Acceptors 40.0

Rotatable Bonds 84.0

Heavy Atoms 163.0

Ring Count 2.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0270951 VERIFIED: NO

Provenance & Taxonomy

OrganismTityus stigmurus [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Disulfide2-15; 5-20; 9-22

Bio-Activity Profile

Function

Toxin