Peptide Database

Peptide NameU17-Ctenitoxin-Pn1a [L7, K23]

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC168H278N52O49S7

DescriptionStandard

        IACAPRLSLCNSDKECCKGLRCKSRIANMWPTFCSQ
    

Molecular Weight4034.78 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-0.16

Hydrophobic Moment 0.64

Boman Index-0.11

Instability Index52.15

Aliphatic Index 62.50

Aromaticity 0.0556

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 -19.52

H-bond Donors 64.0

H-bond Acceptors 60.0

Rotatable Bonds 133.0

Heavy Atoms 276.0

Ring Count 5.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0119146 VERIFIED: NO

Provenance & Taxonomy

OrganismCtenus nigriventer [Animal]; Phoneutria 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

RECORD: Rec_0414416 VERIFIED: NO