Peptide Database

Peptide NameQ4-15a-2

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC96H144N22O18

DescriptionStandard

        KKFATIAKKFINWLW
    

Molecular Weight1894.31 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) 0.2504

GRAVY Index0.03

Hydrophobic Moment 0.68

Boman Index0.15

Instability Index26.43

Aliphatic Index 91.33

Aromaticity 0.2667

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11000.00

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

Amino Acid Composition

TPSA 669.70

LogP 0.07

H-bond Donors 24.0

H-bond Acceptors 22.0

Rotatable Bonds 62.0

Heavy Atoms 136.0

Ring Count 6.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0051927 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyCecropin

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-negative

TargetEscherichia coli

Activity2 μg/mL

MethodMIC

RECORD: Rec_0079149 VERIFIED: YES