Peptide Database

Peptide NamePsi-conotoxin PrIIIE

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length22 amino acids

Chemical FormulaC104H172N36O29S6

DescriptionStandard

        AARCCTYHGSCLKEKCRRKYCC
    

Molecular Weight2583.09 Da

Isoelectric Point (pI)9.13

Net Charge (pH 7.0)4.82

Net Charge (pH 7.4) 4.49

Charge Density (pH 7.0) 0.2192

GRAVY Index-0.64

Hydrophobic Moment 0.44

Boman Index-0.38

Instability Index71.01

Aliphatic Index 26.82

Aromaticity 0.0909

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3355.00

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

Amino Acid Composition

TPSA 1085.08

LogP -12.85

H-bond Donors 47.0

H-bond Acceptors 41.0

Rotatable Bonds 86.0

Heavy Atoms 175.0

Ring Count 3.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0156730 VERIFIED: NO

Provenance & Taxonomy

OrganismConus parius [Animal]

FamilyConotoxin

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Disulfide4-16; 5-21; 11-22

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0235843 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermAmidation

Bio-Activity Profile

Function

Miscellaneous

RECORD: Rec_0328732 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Miscellaneous