Peptide Database

Peptide NameNeurotoxin PNTx27C4 [F7]

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC171H276N52O49S7

DescriptionStandard

        IACAPRFSLCNSDKECCKGLRCKSRIANMWPTFCSQ
    

Molecular Weight4068.79 Da

Isoelectric Point (pI)8.94

Net Charge (pH 7.0)3.70

Net Charge (pH 7.4) 3.40

Charge Density (pH 7.0) 0.1028

GRAVY Index-0.18

Hydrophobic Moment 0.64

Boman Index-0.11

Instability Index52.15

Aliphatic Index 51.67

Aromaticity 0.0833

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 1648.81

LogP -19.32

H-bond Donors 64.0

H-bond Acceptors 60.0

Rotatable Bonds 133.0

Heavy Atoms 279.0

Ring Count 6.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0311369 VERIFIED: NO

Provenance & Taxonomy

OrganismPhoneutria nigriventer,Ctenus nigriventer [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-17; 10-22; 16-34

Bio-Activity Profile

Function

Toxin