Peptide Database

Peptide Namealpha-D-Conotoxin Cp20.5

Function Ontology

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length50 amino acids

Chemical FormulaC217H339N71O71S13

DescriptionStandard

        DNEAECQIDTPGSSWGKCCMTRMCGTMCCSRSVCTCVYHWRRGHGCSCPG
    

Molecular Weight5495.29 Da

Isoelectric Point (pI)7.66

Net Charge (pH 7.0)0.84

Net Charge (pH 7.4) 0.38

Charge Density (pH 7.0) 0.0168

GRAVY Index-0.39

Hydrophobic Moment 0.49

Boman Index-0.09

Instability Index54.49

Aliphatic Index 21.40

Aromaticity 0.0600

Extinction Coeff. Reduced 12490.00

Extinction Coeff. Oxidized 13115.00

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

Amino Acid Composition

TPSA 2271.88

LogP -32.30

H-bond Donors 92.0

H-bond Acceptors 87.0

Rotatable Bonds 174.0

Heavy Atoms 372.0

Ring Count 9.0

Amide Bonds 51.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0180896 VERIFIED: NO

Provenance & Taxonomy

OrganismConus capitaneus [Animal]

FamilyConotoxin

Structure & Mods

Configlinear peptide [Linear]

Chiralitymixed L/D amino-acid peptide [Mixed]

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0370814 VERIFIED: YES

Provenance & Taxonomy

Organismnot reported [other]

Structure & Mods

Configlinear peptide; DSSP H 0.0%, E 12.0%, T 48.0%, C 40.0% [Linear]

Chiralitycanonical L-amino-acid peptide [L]

N-TermNone

C-TermNone

Bio-Activity Profile

Function

Miscellaneous