Peptide Database

Peptide NameNeurotoxin PKTx20C2

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length50 amino acids

Chemical FormulaC230H358N66O74S11

DescriptionStandard

        CGDINAPCQSDCDCCGYSVTCDCYWSKDCKCRESNFVIGMALRKAFCKNK
    

Molecular Weight5584.42 Da

Isoelectric Point (pI)7.62

Net Charge (pH 7.0)0.66

Net Charge (pH 7.4) 0.30

Charge Density (pH 7.0) 0.0132

GRAVY Index-0.29

Hydrophobic Moment 0.49

Boman Index-0.10

Instability Index33.56

Aliphatic Index 41.00

Aromaticity 0.1000

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 9105.00

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

Amino Acid Composition

TPSA 2287.89

LogP -28.13

H-bond Donors 89.0

H-bond Acceptors 86.0

Rotatable Bonds 184.0

Heavy Atoms 381.0

Ring Count 7.0

Amide Bonds 53.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0331725 VERIFIED: NO

Provenance & Taxonomy

OrganismPhoneutria keyserlingi,Ctenus keyserlingii [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide1-15; 8-21; 12-47; 14-31; 23-29

Bio-Activity Profile

Function

Toxin