Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length35 amino acids

Chemical FormulaC178H303N53O44

DescriptionStandard

        RWKVFKKIEKVGRNIRDGVIKAGPAIEVLGQAKAI
    

Molecular Weight3889.64 Da

Isoelectric Point (pI)10.64

Net Charge (pH 7.0)5.76

Net Charge (pH 7.4) 5.54

Charge Density (pH 7.0) 0.1646

GRAVY Index-0.15

Hydrophobic Moment 0.91

Boman Index-0.05

Instability Index56.35

Aliphatic Index 111.43

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 1599.62

LogP -11.23

H-bond Donors 56.0

H-bond Acceptors 50.0

Rotatable Bonds 137.0

Heavy Atoms 275.0

Ring Count 4.0

Amide Bonds 36.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0101479 VERIFIED: YES

Provenance & Taxonomy

OrganismHelicoverpa armigera [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)