Peptide Database

Peptide NameU17-Ctenitoxin-Pn1a

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length36 amino acids

Chemical FormulaC170H272N52O50S7

DescriptionStandard

        IACAPRFSLCNSDKECCKGLRCQSRIANMWPTFCSQ
    

Molecular Weight4068.75 Da

Isoelectric Point (pI)8.69

Net Charge (pH 7.0)2.70

Net Charge (pH 7.4) 2.41

Charge Density (pH 7.0) 0.0751

GRAVY Index-0.17

Hydrophobic Moment 0.70

Boman Index-0.09

Instability Index62.26

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 1665.88

LogP -20.19

H-bond Donors 64.0

H-bond Acceptors 60.0

Rotatable Bonds 132.0

Heavy Atoms 279.0

Ring Count 6.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0050263 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