Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC160H269N45O40

DescriptionStandard

        KWKLFKKIEKVGQNIRDGIIKAGPAVAVVGQA
    

Molecular Weight3463.12 Da

Isoelectric Point (pI)10.30

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.54

Charge Density (pH 7.0) 0.1487

GRAVY Index-0.03

Hydrophobic Moment 0.80

Boman Index0.06

Instability Index19.90

Aliphatic Index 109.69

Aromaticity 0.0625

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 1394.31

LogP -9.86

H-bond Donors 47.0

H-bond Acceptors 45.0

Rotatable Bonds 121.0

Heavy Atoms 245.0

Ring Count 4.0

Amide Bonds 34.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0360031 VERIFIED: YES

Provenance & Taxonomy

OrganismHyalophora cecropia [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)