Peptide Database

Peptide NameI2-Conotoxin pi11b

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC117H179N39O45S9

DescriptionStandard

        CHHDGLPCSSDDGCCGMVCCSGHCSPNCPTN
    

Molecular Weight3140.49 Da

Isoelectric Point (pI)5.04

Net Charge (pH 7.0)-3.05

Net Charge (pH 7.4) -3.53

Charge Density (pH 7.0) -0.0985

GRAVY Index-0.24

Hydrophobic Moment 0.27

Boman Index0.04

Instability Index44.80

Aliphatic Index 21.94

Aromaticity 0.0000

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 500.00

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

Amino Acid Composition

TPSA 1295.22

LogP -22.70

H-bond Donors 50.0

H-bond Acceptors 54.0

Rotatable Bonds 93.0

Heavy Atoms 210.0

Ring Count 6.0

Amide Bonds 32.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0359236 VERIFIED: NO

Provenance & Taxonomy

OrganismConus princeps [Animal]

FamilyConotoxin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Toxin