Peptide Database

Peptide NamePotassium channel toxin 2

Function Ontology

Membrane / Ion-channel modulation ▸ Ion channel modulation

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC161H270N50O50S8

DescriptionStandard

        IKCTLSKDCYSPCKKETGCPRAKCINRNCKCYGCSG
    

Molecular Weight3962.69 Da

Isoelectric Point (pI)9.05

Net Charge (pH 7.0)5.68

Net Charge (pH 7.4) 5.34

Charge Density (pH 7.0) 0.1577

GRAVY Index-0.63

Hydrophobic Moment 0.61

Boman Index-0.25

Instability Index27.70

Aliphatic Index 35.28

Aromaticity 0.0556

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3480.00

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

Amino Acid Composition

TPSA 1646.55

LogP -22.10

H-bond Donors 66.0

H-bond Acceptors 64.0

Rotatable Bonds 133.0

Heavy Atoms 269.0

Ring Count 4.0

Amide Bonds 37.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0316645 VERIFIED: NO

Provenance & Taxonomy

OrganismHemiscorpius lepturus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin Ion channel blocker