Peptide Database

Peptide NamePotassium channel toxin 4

Function Ontology

Membrane / Ion-channel modulation ▸ Ion channel modulation

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC192H307N59O62S9

DescriptionStandard

        RVNPSAIECEVTSDCYKPCGKAYNCERAKCMNRICNCYANCP
    

Molecular Weight4722.43 Da

Isoelectric Point (pI)8.19

Net Charge (pH 7.0)1.68

Net Charge (pH 7.4) 1.35

Charge Density (pH 7.0) 0.0401

GRAVY Index-0.51

Hydrophobic Moment 0.61

Boman Index-0.18

Instability Index42.88

Aliphatic Index 41.90

Aromaticity 0.0714

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4970.00

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

Amino Acid Composition

TPSA 1979.84

LogP -25.07

H-bond Donors 75.0

H-bond Acceptors 73.0

Rotatable Bonds 151.0

Heavy Atoms 322.0

Ring Count 6.0

Amide Bonds 46.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0133503 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