Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length24 amino acids

Chemical FormulaC126H220N40O31

DescriptionStandard

        RWKVLKKIEKAGQRIRDSIIKAGP
    

Molecular Weight2791.34 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) 0.2400

GRAVY Index-0.75

Hydrophobic Moment 0.85

Boman Index-0.29

Instability Index45.63

Aliphatic Index 101.67

Aromaticity 0.0417

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 1193.34

LogP -9.00

H-bond Donors 43.0

H-bond Acceptors 37.0

Rotatable Bonds 100.0

Heavy Atoms 197.0

Ring Count 3.0

Amide Bonds 24.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0153657 VERIFIED: YES

Provenance & Taxonomy

OrganismSpodoptera exigua [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)