Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC169H283N53O43

DescriptionStandard

        RWKGFKKIEKLGRHIRDGVVKAGPAVGVVGQASSI
    

Molecular Weight3745.38 Da

Isoelectric Point (pI)11.12

Net Charge (pH 7.0)5.85

Net Charge (pH 7.4) 5.58

Charge Density (pH 7.0) 0.1670

GRAVY Index-0.19

Hydrophobic Moment 0.87

Boman Index-0.03

Instability Index50.45

Aliphatic Index 94.57

Aromaticity 0.0571

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 1562.35

LogP -14.34

H-bond Donors 56.0

H-bond Acceptors 50.0

Rotatable Bonds 129.0

Heavy Atoms 265.0

Ring Count 5.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0184637 VERIFIED: YES

Provenance & Taxonomy

OrganismPlutella xylostella [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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TargetEscherichia coli TOP10

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