Peptide Database

Peptide NameConotoxin Cal1.2

Function Ontology

Anticancer ▸ Cytotoxic anticancer activity ▸ Cytotoxic

Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic

Venom / Toxin ▸ General toxin ▸ Cytotoxic

Venom / Toxin ▸ General toxin ▸ Toxic

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC81H137N27O25S5

DescriptionStandard

        AGCCPTIMYKTGACRTNRC
    

Molecular Weight2049.45 Da

Isoelectric Point (pI)8.95

Net Charge (pH 7.0)2.75

Net Charge (pH 7.4) 2.50

Charge Density (pH 7.0) 0.1450

GRAVY Index-0.12

Hydrophobic Moment 0.43

Boman Index-0.09

Instability Index38.35

Aliphatic Index 31.05

Aromaticity 0.0526

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1740.00

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

Amino Acid Composition

TPSA 852.16

LogP -11.93

H-bond Donors 35.0

H-bond Acceptors 33.0

Rotatable Bonds 64.0

Heavy Atoms 138.0

Ring Count 2.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0178529 VERIFIED: NO

Provenance & Taxonomy

OrganismConus californicus [Animal]

FamilyConotoxin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0277768 VERIFIED: NO

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide; DSSP H 0.0%, E 0.0%, T 31.6%, C 68.4% [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Toxic Cytotoxic