Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC180H301N57O48

DescriptionStandard

        RWNPFKKLERVGQNIRDGIIKAGPAVAVIGQATSIAR
    

Molecular Weight4031.67 Da

Isoelectric Point (pI)11.57

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.55

Charge Density (pH 7.0) 0.1287

GRAVY Index-0.19

Hydrophobic Moment 0.83

Boman Index-0.03

Instability Index36.81

Aliphatic Index 100.27

Aromaticity 0.0541

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 1722.21

LogP -16.87

H-bond Donors 60.0

H-bond Acceptors 53.0

Rotatable Bonds 135.0

Heavy Atoms 285.0

Ring Count 5.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0072770 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)