Peptide Database

Peptide NameU1-ctenitoxin-Pk1a

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length45 amino acids

Chemical FormulaC204H325N65O66S9

DescriptionStandard

        GKCADAWKSCDNLPCCVVNGYSRTCMCSANRCNCEETKKLREHFG
    

Molecular Weight5032.74 Da

Isoelectric Point (pI)8.20

Net Charge (pH 7.0)1.77

Net Charge (pH 7.4) 1.39

Charge Density (pH 7.0) 0.0394

GRAVY Index-0.59

Hydrophobic Moment 0.46

Boman Index-0.20

Instability Index29.77

Aliphatic Index 36.89

Aromaticity 0.0667

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7490.00

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

Amino Acid Composition

TPSA 2149.42

LogP -28.24

H-bond Donors 83.0

H-bond Acceptors 78.0

Rotatable Bonds 167.0

Heavy Atoms 344.0

Ring Count 6.0

Amide Bonds 48.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0286777 VERIFIED: NO

Provenance & Taxonomy

OrganismCtenus keyserlingii [Animal]; Phoneutria keyserlingi [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-16; 10-25; 15-34; 27-32

Bio-Activity Profile

Function

Toxin