Peptide Database

Peptide NameToxin Pi4

Function Ontology

Annotation / Sequence feature ▸ Nuclear export signal

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Host defense activity

Membrane / Ion-channel modulation ▸ Ion channel inhibition

Membrane / Ion-channel modulation ▸ Potassium channel modulation ▸ Potassium channel inhibitor

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length38 amino acids

Chemical FormulaC168H281N57O52S8

DescriptionStandard

        IEAIRCGGSRDCYRPCQKRTGCPNAKCINKTCKCYGCS
    

Molecular Weight4187.90 Da

Isoelectric Point (pI)9.08

Net Charge (pH 7.0)5.68

Net Charge (pH 7.4) 5.35

Charge Density (pH 7.0) 0.1494

GRAVY Index-0.64

Hydrophobic Moment 0.66

Boman Index-0.27

Instability Index41.68

Aliphatic Index 36.05

Aromaticity 0.0526

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 3480.00

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

Amino Acid Composition

TPSA 1799.37

LogP -24.94

H-bond Donors 72.0

H-bond Acceptors 66.0

Rotatable Bonds 139.0

Heavy Atoms 285.0

Ring Count 4.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0177118 VERIFIED: NO

Provenance & Taxonomy

OrganismPandinus imperator [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Toxin

RECORD: Rec_0370426 VERIFIED: YES