Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length33 amino acids

Chemical FormulaC170H293N51O39

DescriptionStandard

        RWKLFKKIEKVGRKVRDGLIKAGPAIAVIGQAK
    

Molecular Weight3675.46 Da

Isoelectric Point (pI)11.20

Net Charge (pH 7.0)7.76

Net Charge (pH 7.4) 7.54

Charge Density (pH 7.0) 0.2351

GRAVY Index-0.22

Hydrophobic Moment 0.91

Boman Index-0.10

Instability Index26.22

Aliphatic Index 109.39

Aromaticity 0.0606

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 1487.05

LogP -9.47

H-bond Donors 53.0

H-bond Acceptors 47.0

Rotatable Bonds 131.0

Heavy Atoms 260.0

Ring Count 4.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0032542 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

TargetEscherichia coli TOP10

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