Peptide Database

Peptide NamePotassium channel toxin alpha-KTx 4.5

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC170H285N49O47S7

DescriptionStandard

        VFINVKCRGSPECLPKCKEAIGKSAGKCMNGKCKCYP
    

Molecular Weight3991.84 Da

Isoelectric Point (pI)9.24

Net Charge (pH 7.0)5.67

Net Charge (pH 7.4) 5.36

Charge Density (pH 7.0) 0.1533

GRAVY Index-0.29

Hydrophobic Moment 0.52

Boman Index-0.08

Instability Index46.72

Aliphatic Index 52.70

Aromaticity 0.0541

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 1550.06

LogP -16.46

H-bond Donors 58.0

H-bond Acceptors 60.0

Rotatable Bonds 135.0

Heavy Atoms 273.0

Ring Count 5.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0117481 VERIFIED: NO

Provenance & Taxonomy

OrganismTityus costatus [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide7-28; 13-33; 17-35

Bio-Activity Profile

Function

Toxin