Peptide Database

Peptide NameKasstasin

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Antimicrobial ▸ Antibiotic activity

Antimicrobial ▸ Antifungal

Antimicrobial ▸ Antifungal ▸ Anti-Candida

Immunology ▸ Innate immune defense ▸ Host defense peptide ▸ Defense peptide

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Toxicity / Safety ▸ Cytolysis / cell lysis ▸ Cytolytic activity

Standard StatusStandard

Sequence Length68 amino acids

Chemical FormulaC338H553N91O105S4

DescriptionStandard

        MMKKSMLLLFFLGMVSFSLADDKREDEGEEKRADEGEEKRAAEEKRFIKELLPHLSGIIDSVANAIKG
    

Molecular Weight7699.81 Da

Isoelectric Point (pI)5.13

Net Charge (pH 7.0)-3.39

Net Charge (pH 7.4) -3.69

Charge Density (pH 7.0) -0.0498

GRAVY Index-0.44

Hydrophobic Moment 0.71

Boman Index-0.09

Instability Index40.53

Aliphatic Index 86.18

Aromaticity 0.0588

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 3192.41

LogP -26.58

H-bond Donors 110.0

H-bond Acceptors 107.0

Rotatable Bonds 277.0

Heavy Atoms 538.0

Ring Count 6.0

Amide Bonds 68.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0376887 VERIFIED: YES

Provenance & Taxonomy

OrganismPhlyctimantis maculatus [Animal]

FamilyBrevinin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Defense peptide Antimicrobial Antibiotic Antifungal Anti-Candida Anti-Gram-negative Anti-Gram-positive Cytolytic Hemolytic

TargetStaphylococcus aureus (Gram-positive)

RECORD: Rec_0396306 VERIFIED: YES