Peptide Database

Peptide NameFK13

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic

Standard StatusStandard

Sequence Length13 amino acids

Chemical FormulaC98H135N21O15

DescriptionStandard

        FPLTWLKWWKWKK
    

Molecular Weight1847.25 Da

Isoelectric Point (pI)10.48

Net Charge (pH 7.0)3.76

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.2889

GRAVY Index-0.85

Hydrophobic Moment 0.35

Boman Index0.05

Instability Index15.45

Aliphatic Index 60.00

Aromaticity 0.3846

Extinction Coeff. Reduced 22000.00

Extinction Coeff. Oxidized 22000.00

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

Amino Acid Composition

TPSA 591.20

LogP 3.85

H-bond Donors 22.0

H-bond Acceptors 19.0

Rotatable Bonds 55.0

Heavy Atoms 134.0

Ring Count 10.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0047438 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial

TargetStaphylococcus aureus ATCC 29737

Activity15.6 μg/mL

MethodMIC

RECORD: Rec_0098262 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Hemolytic

TargetRat erythrocytes (50% Hemolysis at 500 microg/ml

Activity500 μg/mL

MethodHemolysis