Peptide Database

Peptide NameCalitoxin II

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length46 amino acids

Chemical FormulaC204H311N57O69S7

DescriptionStandard

        IECKCKGDAPDLSHMTGTVYFSCKGGDGSWSKCNTYTAVADCCHQA
    

Molecular Weight4890.45 Da

Isoelectric Point (pI)6.01

Net Charge (pH 7.0)-1.12

Net Charge (pH 7.4) -1.53

Charge Density (pH 7.0) -0.0244

GRAVY Index-0.35

Hydrophobic Moment 0.33

Boman Index0.02

Instability Index33.11

Aliphatic Index 38.26

Aromaticity 0.0870

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8855.00

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

Amino Acid Composition

TPSA 2016.24

LogP -26.60

H-bond Donors 76.0

H-bond Acceptors 77.0

Rotatable Bonds 157.0

Heavy Atoms 337.0

Ring Count 8.0

Amide Bonds 47.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0204972 VERIFIED: NO

Provenance & Taxonomy

OrganismCalliactis parasitica [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-42; 5-33; 23-43

Bio-Activity Profile

Function

Toxin