Peptide Database

Peptide NameAlpha-insect toxin Lqq3 (Lqq III), (LqqIII)

Function Ontology

Antimicrobial

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

Membrane / Ion-channel modulation ▸ Ion channel inhibition

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

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length64 amino acids

Chemical FormulaC316H464N88O93S8

DescriptionStandard

        VRDAYIAKNYNCVYECFRDSYCNDLCTKNGASSGYCQWAGKYGNACWCYALPDNVPIRVPGKCH
    

Molecular Weight7240.12 Da

Isoelectric Point (pI)8.16

Net Charge (pH 7.0)1.74

Net Charge (pH 7.4) 1.34

Charge Density (pH 7.0) 0.0272

GRAVY Index-0.44

Hydrophobic Moment 0.56

Boman Index-0.03

Instability Index37.21

Aliphatic Index 51.88

Aromaticity 0.1562

Extinction Coeff. Reduced 21430.00

Extinction Coeff. Oxidized 21930.00

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

Amino Acid Composition

TPSA 2930.95

LogP -30.78

H-bond Donors 109.0

H-bond Acceptors 104.0

Rotatable Bonds 224.0

Heavy Atoms 505.0

Ring Count 16.0

Amide Bonds 70.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0384194 VERIFIED: NO

Provenance & Taxonomy

OrganismLeiurus quinquestriatus quinquestriatus [Animal]

FamilyDefensin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0391355 VERIFIED: YES