Peptide Database

Peptide NameErgtoxin CnErg3

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length43 amino acids

Chemical FormulaC198H308N58O66S8

DescriptionStandard

        DRDSCVDKSKCGKYGYYGQCDECCKKAGDRAGTCVYYKCKCNP
    

Molecular Weight4813.43 Da

Isoelectric Point (pI)8.45

Net Charge (pH 7.0)2.68

Net Charge (pH 7.4) 2.33

Charge Density (pH 7.0) 0.0623

GRAVY Index-1.04

Hydrophobic Moment 0.56

Boman Index-0.31

Instability Index15.73

Aliphatic Index 18.14

Aromaticity 0.1163

Extinction Coeff. Reduced 7450.00

Extinction Coeff. Oxidized 7950.00

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

Amino Acid Composition

TPSA 2054.49

LogP -25.87

H-bond Donors 80.0

H-bond Acceptors 77.0

Rotatable Bonds 161.0

Heavy Atoms 330.0

Ring Count 6.0

Amide Bonds 44.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0288575 VERIFIED: NO

Provenance & Taxonomy

OrganismCentruroides noxius [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide5-23; 11-34; 20-39; 24-41

Bio-Activity Profile

Function

Toxin