Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC174H294N52O44

DescriptionStandard

        RWKPFKKLEKVGRNIRDGIIKAGPAVAVIGQATSI
    

Molecular Weight3818.52 Da

Isoelectric Point (pI)11.12

Net Charge (pH 7.0)5.76

Net Charge (pH 7.4) 5.55

Charge Density (pH 7.0) 0.1645

GRAVY Index-0.15

Hydrophobic Moment 0.85

Boman Index-0.02

Instability Index34.59

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 1567.97

LogP -13.00

H-bond Donors 55.0

H-bond Acceptors 50.0

Rotatable Bonds 130.0

Heavy Atoms 270.0

Ring Count 5.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0103460 VERIFIED: YES

Provenance & Taxonomy

OrganismPlutella xylostella [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)