Peptide Database

Peptide NameNeurotoxin Pn3-3A

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length49 amino acids

Chemical FormulaC214H343N71O67S9

DescriptionStandard

        GCADAYKSCNHPRTCCDGYNGYKRACICSGSNCKCKKSLREMAAAAFRG
    

Molecular Weight5271.03 Da

Isoelectric Point (pI)9.05

Net Charge (pH 7.0)5.77

Net Charge (pH 7.4) 5.38

Charge Density (pH 7.0) 0.1177

GRAVY Index-0.56

Hydrophobic Moment 0.54

Boman Index-0.19

Instability Index29.74

Aliphatic Index 30.20

Aromaticity 0.0816

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 2260.72

LogP -31.70

H-bond Donors 89.0

H-bond Acceptors 83.0

Rotatable Bonds 175.0

Heavy Atoms 361.0

Ring Count 6.0

Amide Bonds 51.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0050244 VERIFIED: NO

Provenance & Taxonomy

OrganismPhoneutria nigriventer [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin