Peptide Database

Peptide NameConotoxin Ca8.3

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC181H279N67O59S10

DescriptionStandard

        GCSGTCRRHRDGKCRGTCECSGYSYCRCGDAHHFYRGCTCTC
    

Molecular Weight4658.22 Da

Isoelectric Point (pI)8.61

Net Charge (pH 7.0)3.92

Net Charge (pH 7.4) 3.41

Charge Density (pH 7.0) 0.0934

GRAVY Index-0.79

Hydrophobic Moment 0.44

Boman Index-0.29

Instability Index41.09

Aliphatic Index 2.38

Aromaticity 0.0952

Extinction Coeff. Reduced 4470.00

Extinction Coeff. Oxidized 5095.00

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

Amino Acid Composition

TPSA 2054.08

LogP -31.98

H-bond Donors 88.0

H-bond Acceptors 76.0

Rotatable Bonds 149.0

Heavy Atoms 317.0

Ring Count 7.0

Amide Bonds 41.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0029113 VERIFIED: NO

Provenance & Taxonomy

OrganismConus caracteristicus [Animal]

FamilyConotoxin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0225005 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Miscellaneous