Peptide Database

Peptide NameA-conotoxin pi1b

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC69H107N23O28S4

DescriptionStandard

        GDCCNDPPCNANNPALCN
    

Molecular Weight1834.98 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-2.28

Net Charge (pH 7.4) -2.54

Charge Density (pH 7.0) -0.1265

GRAVY Index-0.68

Hydrophobic Moment 0.29

Boman Index-0.08

Instability Index25.06

Aliphatic Index 32.78

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 250.00

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

Amino Acid Composition

TPSA 821.70

LogP -14.08

H-bond Donors 27.0

H-bond Acceptors 30.0

Rotatable Bonds 52.0

Heavy Atoms 124.0

Ring Count 3.0

Amide Bonds 22.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0384760 VERIFIED: NO

Provenance & Taxonomy

OrganismConus princeps [Animal]

FamilyConotoxin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin