Peptide Database

Peptide NameOxyopinin-4a (Oxt-4a)

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antibiotic activity

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Toxicity / Safety ▸ Cytolysis / cell lysis ▸ Cytolytic activity

Venom / Toxin ▸ General toxin ▸ Toxin

Standard StatusStandard

Sequence Length77 amino acids

Chemical FormulaC422H654N110O111S5

DescriptionStandard

        MKISQVFIFVFLLMISVAWANEAYEEESNYLSERFDADVEEITPEFRGIRCPKSWKCKAFKQRVLKRLLAMLRQHAF
    

Molecular Weight9204.70 Da

Isoelectric Point (pI)8.68

Net Charge (pH 7.0)1.58

Net Charge (pH 7.4) 1.26

Charge Density (pH 7.0) 0.0206

GRAVY Index-0.08

Hydrophobic Moment 0.83

Boman Index0.01

Instability Index39.87

Aliphatic Index 88.70

Aromaticity 0.1429

Extinction Coeff. Reduced 13980.00

Extinction Coeff. Oxidized 14105.00

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

Amino Acid Composition

TPSA 3595.41

LogP -22.90

H-bond Donors 128.0

H-bond Acceptors 119.0

Rotatable Bonds 310.0

Heavy Atoms 648.0

Ring Count 16.0

Amide Bonds 81.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0182167 VERIFIED: YES

Provenance & Taxonomy

OrganismOxyopes takobius [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibiotic Anti-Gram-negative Anti-Gram-positive Cytolytic Toxin Hemolytic

TargetStaphylococcus aureus (Gram-positive)

RECORD: Rec_0183468 VERIFIED: YES

Provenance & Taxonomy

OrganismOxyopes takobius [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibiotic Anti-Gram-negative Anti-Gram-positive Cytolytic Toxin Hemolytic

TargetBacillus subtilis (Gram-positive)

RECORD: Rec_0183995 VERIFIED: YES

Provenance & Taxonomy

OrganismOxyopes takobius [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibiotic Anti-Gram-negative Anti-Gram-positive Cytolytic Toxin Hemolytic

TargetP. fluorescens (Gram-negative)

RECORD: Rec_0395170 VERIFIED: YES

Provenance & Taxonomy

OrganismOxyopes takobius [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibiotic Anti-Gram-negative Anti-Gram-positive Cytolytic Toxin Hemolytic

TargetEscherichia coli (Gram-negative)