Peptide Database

Peptide NameErgtoxin CexErg1

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC194H300N58O62S9

DescriptionStandard

        DRDSCVDKSRCAKYGYYQECQDCCKKAGHSGGTCMFFKCKCA
    

Molecular Weight4725.39 Da

Isoelectric Point (pI)8.47

Net Charge (pH 7.0)2.77

Net Charge (pH 7.4) 2.38

Charge Density (pH 7.0) 0.0659

GRAVY Index-0.75

Hydrophobic Moment 0.47

Boman Index-0.24

Instability Index39.34

Aliphatic Index 14.05

Aromaticity 0.1190

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 1979.31

LogP -25.04

H-bond Donors 78.0

H-bond Acceptors 75.0

Rotatable Bonds 160.0

Heavy Atoms 323.0

Ring Count 6.0

Amide Bonds 43.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0286524 VERIFIED: NO

Provenance & Taxonomy

OrganismCentruroides exilicauda [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