Peptide Database

Peptide NameErgtoxin CnErg2

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length43 amino acids

Chemical FormulaC201H319N61O59S8

DescriptionStandard

        GRDSCVNKSRCAKYGYYSQCEVCCKKAGHKGGTCDFFKCKCKV
    

Molecular Weight4790.58 Da

Isoelectric Point (pI)9.15

Net Charge (pH 7.0)6.76

Net Charge (pH 7.4) 6.37

Charge Density (pH 7.0) 0.1573

GRAVY Index-0.65

Hydrophobic Moment 0.39

Boman Index-0.23

Instability Index33.39

Aliphatic Index 24.88

Aromaticity 0.1163

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 4970.00

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

Amino Acid Composition

TPSA 1985.85

LogP -24.47

H-bond Donors 79.0

H-bond Acceptors 75.0

Rotatable Bonds 164.0

Heavy Atoms 329.0

Ring Count 6.0

Amide Bonds 44.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0305242 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