Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC163H275N49O41

DescriptionStandard

        RWKIFKKIEKVGRNVRDGIIKAGPAVAVVEQA
    

Molecular Weight3577.23 Da

Isoelectric Point (pI)10.55

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.55

Charge Density (pH 7.0) 0.1488

GRAVY Index-0.16

Hydrophobic Moment 0.93

Boman Index-0.07

Instability Index36.60

Aliphatic Index 106.56

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 1486.30

LogP -10.88

H-bond Donors 52.0

H-bond Acceptors 46.0

Rotatable Bonds 124.0

Heavy Atoms 253.0

Ring Count 4.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0277653 VERIFIED: YES

Provenance & Taxonomy

OrganismPapilio xuthus [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)