Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length34 amino acids

Chemical FormulaC164H276N46O44S

DescriptionStandard

        LFIFQEKMGRNIRDGIIKAGPAVEVLGSAKALGK
    

Molecular Weight3628.29 Da

Isoelectric Point (pI)9.99

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.0813

GRAVY Index0.18

Hydrophobic Moment 0.80

Boman Index0.11

Instability Index39.69

Aliphatic Index 109.12

Aromaticity 0.0588

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 1461.02

LogP -11.61

H-bond Donors 50.0

H-bond Acceptors 48.0

Rotatable Bonds 127.0

Heavy Atoms 255.0

Ring Count 3.0

Amide Bonds 35.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0024191 VERIFIED: YES

Provenance & Taxonomy

OrganismSpodoptera litura [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

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TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)