Peptide Database

Peptide NameBacteriocin lactacin-F subunit LafA

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length75 amino acids

Chemical FormulaC339H537N97O94S4

DescriptionStandard

        MKQFNYLSHKDLAVVVGGRNNWQTNVGGAVGSAMIGATVGGTICGPACAVAGAHYLPILWTAVTAATGGFGKIRK
    

Molecular Weight7603.74 Da

Isoelectric Point (pI)9.78

Net Charge (pH 7.0)4.65

Net Charge (pH 7.4) 4.29

Charge Density (pH 7.0) 0.0620

GRAVY Index0.36

Hydrophobic Moment 0.40

Boman Index0.26

Instability Index25.87

Aliphatic Index 87.20

Aromaticity 0.0800

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 3014.10

LogP -32.72

H-bond Donors 107.0

H-bond Acceptors 105.0

Rotatable Bonds 243.0

Heavy Atoms 534.0

Ring Count 12.0

Amide Bonds 80.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0331745 VERIFIED: YES

Provenance & Taxonomy

OrganismLactobacillus johnsonii [Bacterium]

FamilyBacteriocin

Tax ID257314

Structure & Mods

Configribosomally encoded bacteriocin peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Bacteriocin Anti-Gram-positive Non-hemolytic

TargetEnterococcus faecalis

RECORD: Rec_0426884 VERIFIED: NO