Peptide Database

Peptide NamePotassium channel toxin alpha-KTx 15.9

Function Ontology

Membrane / Ion-channel modulation ▸ Ion channel modulation

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC168H281N49O54S7

DescriptionStandard

        QVSTNKKCSNTSQCYKTCEKVVGVAAGKCMNGKCICYP
    

Molecular Weight4075.78 Da

Isoelectric Point (pI)9.06

Net Charge (pH 7.0)4.70

Net Charge (pH 7.4) 4.39

Charge Density (pH 7.0) 0.1236

GRAVY Index-0.33

Hydrophobic Moment 0.52

Boman Index-0.08

Instability Index9.81

Aliphatic Index 46.05

Aromaticity 0.0526

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3355.00

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

Amino Acid Composition

TPSA 1701.94

LogP -23.41

H-bond Donors 64.0

H-bond Acceptors 66.0

Rotatable Bonds 138.0

Heavy Atoms 278.0

Ring Count 3.0

Amide Bonds 42.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0041803 VERIFIED: NO

Provenance & Taxonomy

OrganismLychas mucronatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin Channel blocker