Peptide Database

Peptide NameLatarcin 4a

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC130H213N33O33S

DescriptionStandard

        LKDKVKSMGEKLKQYIQTWKAKF
    

Molecular Weight2798.35 Da

Isoelectric Point (pI)10.00

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.54

Charge Density (pH 7.0) 0.2068

GRAVY Index-0.98

Hydrophobic Moment 0.54

Boman Index-0.24

Instability Index-12.96

Aliphatic Index 67.83

Aromaticity 0.1304

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 1122.92

LogP -6.68

H-bond Donors 39.0

H-bond Acceptors 39.0

Rotatable Bonds 102.0

Heavy Atoms 197.0

Ring Count 4.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0114628 VERIFIED: YES

Provenance & Taxonomy

OrganismLachesana tarabaevi [Animal]

FamilyLatarcin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)