Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC96H157N25O23

DescriptionStandard

        NVFKAAQKALPVVAGFKALG
    

Molecular Weight2029.43 Da

Isoelectric Point (pI)10.30

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.1379

GRAVY Index0.69

Hydrophobic Moment 0.59

Boman Index0.29

Instability Index13.73

Aliphatic Index 107.50

Aromaticity 0.1000

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 771.67

LogP -5.45

H-bond Donors 25.0

H-bond Acceptors 26.0

Rotatable Bonds 66.0

Heavy Atoms 144.0

Ring Count 3.0

Amide Bonds 21.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0025133 VERIFIED: YES

Provenance & Taxonomy

OrganismCulex quinquefasciatus [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)