Peptide Database

Peptide NameConotoxin Cal9.2b

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length45 amino acids

Chemical FormulaC197H290N54O78S6

DescriptionStandard

        EDDRFPCNAGNCACLPLDSYSYTCQSPTSSTANCEGNECVSEADW
    

Molecular Weight4855.12 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-7.21

Net Charge (pH 7.4) -7.48

Charge Density (pH 7.0) -0.1603

GRAVY Index-0.65

Hydrophobic Moment 0.50

Boman Index-0.07

Instability Index63.27

Aliphatic Index 32.67

Aromaticity 0.0889

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 2131.42

LogP -31.73

H-bond Donors 77.0

H-bond Acceptors 77.0

Rotatable Bonds 149.0

Heavy Atoms 335.0

Ring Count 8.0

Amide Bonds 49.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0056127 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_0066693 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide; DSSP H 0.0%, E 22.2%, T 37.8%, C 40.0% [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Miscellaneous