Peptide Database

Peptide NamePx-cec2

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length33 amino acids

Chemical FormulaC156H272N46O42S

DescriptionStandard

        FKKIEKMGRNIRDGIIKAGPAVEVLGSAKALGK
    

Molecular Weight3496.18 Da

Isoelectric Point (pI)10.29

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.55

Charge Density (pH 7.0) 0.1443

GRAVY Index-0.15

Hydrophobic Moment 0.86

Boman Index-0.02

Instability Index40.94

Aliphatic Index 100.61

Aromaticity 0.0303

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 1440.87

LogP -12.39

H-bond Donors 50.0

H-bond Acceptors 48.0

Rotatable Bonds 126.0

Heavy Atoms 245.0

Ring Count 2.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0060402 VERIFIED: YES

Provenance & Taxonomy

OrganismSpodoptera exigua [Animal]

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)