Peptide Database

Peptide NameCecropin A1

Function Ontology

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Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC103H172N28O26

DescriptionStandard

        RVFKASEKALPVVAGYKAVGK
    

Molecular Weight2218.64 Da

Isoelectric Point (pI)10.17

Net Charge (pH 7.0)3.76

Net Charge (pH 7.4) 3.55

Charge Density (pH 7.0) 0.1789

GRAVY Index0.12

Hydrophobic Moment 0.65

Boman Index0.04

Instability Index17.75

Aliphatic Index 92.86

Aromaticity 0.0952

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 880.27

LogP -6.56

H-bond Donors 31.0

H-bond Acceptors 30.0

Rotatable Bonds 74.0

Heavy Atoms 157.0

Ring Count 3.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0102063 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)