Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length33 amino acids

Chemical FormulaC153H258N42O43

DescriptionStandard

        LFVLQEKVGQNIRDGIIKAGPAVAVVGQPATIA
    

Molecular Weight3373.94 Da

Isoelectric Point (pI)8.59

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0231

GRAVY Index0.59

Hydrophobic Moment 0.69

Boman Index0.27

Instability Index43.37

Aliphatic Index 130.00

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 1358.07

LogP -11.74

H-bond Donors 44.0

H-bond Acceptors 44.0

Rotatable Bonds 111.0

Heavy Atoms 238.0

Ring Count 3.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0120264 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [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)