Peptide Database

Peptide NamePotassium channel toxin 1

Function Ontology

Membrane / Ion-channel modulation ▸ Ion channel modulation

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length39 amino acids

Chemical FormulaC178H286N52O53S8

DescriptionStandard

        VSAGCPMFQSMCSTYCKKGRYGSKGRCIGPDSKQCKCYV
    

Molecular Weight4259.01 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) 0.1453

GRAVY Index-0.42

Hydrophobic Moment 0.46

Boman Index-0.11

Instability Index22.68

Aliphatic Index 27.44

Aromaticity 0.1026

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4845.00

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

Amino Acid Composition

TPSA 1710.99

LogP -21.94

H-bond Donors 67.0

H-bond Acceptors 67.0

Rotatable Bonds 141.0

Heavy Atoms 291.0

Ring Count 6.0

Amide Bonds 40.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0099423 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