Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length32 amino acids

Chemical FormulaC158H257N43O42S

DescriptionStandard

        VFFFQEKMGRNIRDGIVKAGPAIEVLGSAKAI
    

Molecular Weight3463.06 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.74

Net Charge (pH 7.4) 1.52

Charge Density (pH 7.0) 0.0543

GRAVY Index0.30

Hydrophobic Moment 0.80

Boman Index0.15

Instability Index57.02

Aliphatic Index 100.62

Aromaticity 0.0938

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 1376.80

LogP -10.53

H-bond Donors 47.0

H-bond Acceptors 45.0

Rotatable Bonds 118.0

Heavy Atoms 244.0

Ring Count 4.0

Amide Bonds 33.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0193679 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [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)