Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC181H298N50O44S

DescriptionStandard

        RWKIFKKIEKMGWNIRDGIVKAGPAIEVLGSAKAV
    

Molecular Weight3910.68 Da

Isoelectric Point (pI)10.29

Net Charge (pH 7.0)4.76

Net Charge (pH 7.4) 4.55

Charge Density (pH 7.0) 0.1360

GRAVY Index-0.04

Hydrophobic Moment 0.73

Boman Index0.05

Instability Index70.79

Aliphatic Index 103.14

Aromaticity 0.0857

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11000.00

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

Amino Acid Composition

TPSA 1530.65

LogP -8.95

H-bond Donors 54.0

H-bond Acceptors 50.0

Rotatable Bonds 135.0

Heavy Atoms 276.0

Ring Count 6.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0181794 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)