Peptide Database

Peptide NameCa channel blocker, Ptu1

Function Ontology

Annotation / Sequence feature ▸ Nuclear export signal

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC153H235N43O47S6

DescriptionStandard

        AEKDCIAPGAPCFGTDKPCCNPRAWCSSYANKCL
    

Molecular Weight3621.15 Da

Isoelectric Point (pI)7.80

Net Charge (pH 7.0)0.74

Net Charge (pH 7.4) 0.45

Charge Density (pH 7.0) 0.0217

GRAVY Index-0.30

Hydrophobic Moment 0.33

Boman Index-0.02

Instability Index29.09

Aliphatic Index 37.65

Aromaticity 0.0882

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 1423.21

LogP -17.05

H-bond Donors 53.0

H-bond Acceptors 54.0

Rotatable Bonds 109.0

Heavy Atoms 249.0

Ring Count 8.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0008505 VERIFIED: NO

Provenance & Taxonomy

OrganismPeirates turpis [Animal]

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide5-20; 12-26; 19-33

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0063657 VERIFIED: YES