Peptide Database

Peptide NameQ4-15

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length15 amino acids

Chemical FormulaC94H143N21O19

DescriptionStandard

        KKFATIAKKFINYLW
    

Molecular Weight1871.27 Da

Isoelectric Point (pI)10.18

Net Charge (pH 7.0)3.76

Net Charge (pH 7.4) 3.54

Charge Density (pH 7.0) 0.2503

GRAVY Index0.00

Hydrophobic Moment 0.68

Boman Index0.11

Instability Index25.12

Aliphatic Index 91.33

Aromaticity 0.2667

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 674.14

LogP -0.71

H-bond Donors 24.0

H-bond Acceptors 23.0

Rotatable Bonds 62.0

Heavy Atoms 134.0

Ring Count 5.0

Amide Bonds 15.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0208280 VERIFIED: YES

Provenance & Taxonomy

Organismsynthetic construct [Synthetic]

FamilyCecropin

Tax ID32630

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Antibacterial Anti-Gram-negative

TargetEscherichia coli

Activity8 μg/mL

MethodMIC

RECORD: Rec_0309036 VERIFIED: YES