Peptide Database

Peptide NameA-conotoxin pi1i

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length28 amino acids

Chemical FormulaC132H193N29O45S4

DescriptionStandard

        QVAELLALAVVEDCCEDFFCGYFDGSCS
    

Molecular Weight3034.37 Da

Isoelectric Point (pI)4.05

Net Charge (pH 7.0)-6.27

Net Charge (pH 7.4) -6.54

Charge Density (pH 7.0) -0.2239

GRAVY Index0.70

Hydrophobic Moment 0.41

Boman Index0.29

Instability Index31.03

Aliphatic Index 83.57

Aromaticity 0.1429

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 1176.60

LogP -10.42

H-bond Donors 43.0

H-bond Acceptors 43.0

Rotatable Bonds 96.0

Heavy Atoms 210.0

Ring Count 4.0

Amide Bonds 28.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0406874 VERIFIED: NO

Provenance & Taxonomy

OrganismConus princeps [Animal]

FamilyConotoxin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin