Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC169H280N52O45

DescriptionStandard

        RWNPFKKLERVGQNIRDGIIKAGPAVAVVGQAASI
    

Molecular Weight3760.35 Da

Isoelectric Point (pI)11.00

Net Charge (pH 7.0)3.76

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.1075

GRAVY Index-0.07

Hydrophobic Moment 0.83

Boman Index0.03

Instability Index35.92

Aliphatic Index 103.14

Aromaticity 0.0571

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 1581.88

LogP -14.87

H-bond Donors 54.0

H-bond Acceptors 49.0

Rotatable Bonds 125.0

Heavy Atoms 266.0

Ring Count 5.0

Amide Bonds 38.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0107711 VERIFIED: YES

Provenance & Taxonomy

OrganismPapilio xuthus [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)