Peptide Database

Peptide NamePotassium channel toxin alpha-KTx 3.16

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC170H286N54O49S8

DescriptionStandard

        GKEIPVKCKHSGQCLQPCKDAGMRFGKCMNGKCNCTPK
    

Molecular Weight4126.94 Da

Isoelectric Point (pI)9.27

Net Charge (pH 7.0)5.78

Net Charge (pH 7.4) 5.43

Charge Density (pH 7.0) 0.1522

GRAVY Index-0.75

Hydrophobic Moment 0.58

Boman Index-0.20

Instability Index36.86

Aliphatic Index 30.79

Aromaticity 0.0263

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 375.00

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

Amino Acid Composition

TPSA 1673.79

LogP -20.77

H-bond Donors 61.0

H-bond Acceptors 64.0

Rotatable Bonds 142.0

Heavy Atoms 281.0

Ring Count 5.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0269127 VERIFIED: NO

Provenance & Taxonomy

OrganismMesobuthus gibbosus [Animal]

Structure & Mods

Configlinear disulfide-stabilized peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide30-50, 36-55, 40-57

Bio-Activity Profile

Function

Toxin

TargetPotassium channel inibitor