Peptide Database

Peptide NamePotassium channel toxin MeuTXKalpha3

Function Ontology

Membrane / Ion-channel modulation ▸ Ion channel modulation

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC190H301N59O50S6

DescriptionStandard

        VDFPNKGGKCDRKECRKTCKKLNYRGKCFPNYCRCFP
    

Molecular Weight4404.18 Da

Isoelectric Point (pI)9.54

Net Charge (pH 7.0)7.67

Net Charge (pH 7.4) 7.36

Charge Density (pH 7.0) 0.2073

GRAVY Index-1.19

Hydrophobic Moment 0.65

Boman Index-0.43

Instability Index27.98

Aliphatic Index 18.38

Aromaticity 0.1351

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3355.00

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

Amino Acid Composition

TPSA 1816.15

LogP -19.05

H-bond Donors 69.0

H-bond Acceptors 64.0

Rotatable Bonds 147.0

Heavy Atoms 305.0

Ring Count 8.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0209265 VERIFIED: NO

Provenance & Taxonomy

OrganismMesobuthus eupeus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Toxin Channel blocker