Peptide Database

Peptide Namekappa-Conotoxin Ac4.2

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length29 amino acids

Chemical FormulaC125H192N34O39S7

DescriptionStandard

        APWMVVTATTNCCGYTGPACHPCLCTQSC
    

Molecular Weight3019.52 Da

Isoelectric Point (pI)6.73

Net Charge (pH 7.0)-0.18

Net Charge (pH 7.4) -0.51

Charge Density (pH 7.0) -0.0061

GRAVY Index0.42

Hydrophobic Moment 0.17

Boman Index0.25

Instability Index76.70

Aliphatic Index 43.79

Aromaticity 0.0690

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7365.00

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

Amino Acid Composition

TPSA 1124.01

LogP -14.82

H-bond Donors 44.0

H-bond Acceptors 47.0

Rotatable Bonds 84.0

Heavy Atoms 205.0

Ring Count 7.0

Amide Bonds 30.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0083078 VERIFIED: NO

Provenance & Taxonomy

OrganismConus achatinus [Animal]

FamilyConotoxin

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Disulfide12-33; 13-35; 20-29

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0153056 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide; DSSP H 0.0%, E 6.9%, T 44.8%, C 48.3% [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermAmidation

Bio-Activity Profile

Function

Miscellaneous

RECORD: Rec_0418781 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