Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length31 amino acids

Chemical FormulaC158H267N47O40S

DescriptionStandard

        RWKVFKKIEKMGRNIRDGIIKAGPAVEVLGS
    

Molecular Weight3497.17 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) 0.1536

GRAVY Index-0.30

Hydrophobic Moment 0.89

Boman Index-0.09

Instability Index61.41

Aliphatic Index 97.42

Aromaticity 0.0645

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 1434.34

LogP -10.56

H-bond Donors 51.0

H-bond Acceptors 46.0

Rotatable Bonds 123.0

Heavy Atoms 246.0

Ring Count 4.0

Amide Bonds 31.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0088064 VERIFIED: YES

Provenance & Taxonomy

OrganismSpodoptera exigua [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)