Peptide Database

Peptide NameToxin APETx2

Function Ontology

Annotation / Sequence feature ▸ Nuclear export signal

Membrane / Ion-channel modulation ▸ Ion channel inhibition

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length42 amino acids

Chemical FormulaC196H286N54O61S6

DescriptionStandard

        GTACSCGNSKGIYWFYRPSCPTDRGYTGSCRYFLGTCCTPAD
    

Molecular Weight4567.08 Da

Isoelectric Point (pI)8.32

Net Charge (pH 7.0)1.70

Net Charge (pH 7.4) 1.40

Charge Density (pH 7.0) 0.0405

GRAVY Index-0.37

Hydrophobic Moment 0.58

Boman Index0.01

Instability Index47.08

Aliphatic Index 23.33

Aromaticity 0.1667

Extinction Coeff. Reduced 11460.00

Extinction Coeff. Oxidized 11835.00

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

Amino Acid Composition

TPSA 1838.24

LogP -24.09

H-bond Donors 73.0

H-bond Acceptors 69.0

Rotatable Bonds 135.0

Heavy Atoms 317.0

Ring Count 11.0

Amide Bonds 42.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0044902 VERIFIED: YES

Provenance & Taxonomy

OrganismAnthopleura elegantissima [Animal]

Familysea anemone type 3 (BDS) potassium channel toxin family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide4-37; 6-30; 20-38

Bio-Activity Profile

Function

Toxin Venom sea anemone type 3 (BDS) potassium channel toxin family Ion channel inhibitor Pathogenesis-associated

RECORD: Rec_0418685 VERIFIED: NO