Peptide Database

Peptide NameNeurotoxin ESTX, 4.3kD [T26]

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length39 amino acids

Chemical FormulaC197H326N50O52S6

DescriptionStandard

        IFECVFSCDIEKEGKPCKPKGEKKCTGGWKCKIKLCLKI
    

Molecular Weight4419.39 Da

Isoelectric Point (pI)9.02

Net Charge (pH 7.0)4.70

Net Charge (pH 7.4) 4.39

Charge Density (pH 7.0) 0.1206

GRAVY Index-0.34

Hydrophobic Moment 0.43

Boman Index-0.08

Instability Index38.12

Aliphatic Index 67.44

Aromaticity 0.0769

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5875.00

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

Amino Acid Composition

TPSA 1654.49

LogP -11.32

H-bond Donors 62.0

H-bond Acceptors 63.0

Rotatable Bonds 156.0

Heavy Atoms 305.0

Ring Count 6.0

Amide Bonds 38.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0064581 VERIFIED: NO

Provenance & Taxonomy

OrganismEurypelma californica [Animal]

Structure & Mods

Configdisulfide-stabilized linear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide4-25; 8-31; 17-36

Bio-Activity Profile

Function

Toxin