Peptide Database

Peptide NameCecropin B

Function Ontology

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Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC99H164N26O25

DescriptionStandard

        RVFKASEKALPVVVGYKAVG
    

Molecular Weight2118.52 Da

Isoelectric Point (pI)10.00

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.1379

GRAVY Index0.44

Hydrophobic Moment 0.65

Boman Index0.14

Instability Index18.14

Aliphatic Index 107.00

Aromaticity 0.1000

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 825.15

LogP -5.54

H-bond Donors 29.0

H-bond Acceptors 28.0

Rotatable Bonds 69.0

Heavy Atoms 150.0

Ring Count 3.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0189871 VERIFIED: YES

Provenance & Taxonomy

OrganismArmigeres subalbatus [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)