Peptide Database

Peptide NameVenom peptide AKTx 18

Function Ontology

Membrane / Ion-channel modulation ▸ Ion channel modulation

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC153H265N53O45S10

DescriptionStandard

        TGTSCRTPKQCAGPCKAKGCKHGKCMNGKCHCMLCSK
    

Molecular Weight3887.72 Da

Isoelectric Point (pI)9.38

Net Charge (pH 7.0)7.49

Net Charge (pH 7.4) 7.07

Charge Density (pH 7.0) 0.2023

GRAVY Index-0.62

Hydrophobic Moment 0.45

Boman Index-0.20

Instability Index28.95

Aliphatic Index 15.95

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 500.00

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

Amino Acid Composition

TPSA 1582.07

LogP -23.58

H-bond Donors 63.0

H-bond Acceptors 65.0

Rotatable Bonds 133.0

Heavy Atoms 261.0

Ring Count 4.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0005358 VERIFIED: NO

Provenance & Taxonomy

OrganismHadrurus spadix [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin Ion channel blocker