Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length24 amino acids

Chemical FormulaC108H190N32O31

DescriptionStandard

        NIRDGVIKAAPAIEVLGQAKALGK
    

Molecular Weight2432.86 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.0734

GRAVY Index0.23

Hydrophobic Moment 0.42

Boman Index0.12

Instability Index55.17

Aliphatic Index 126.25

Aromaticity 0.0000

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 1024.57

LogP -9.28

H-bond Donors 34.0

H-bond Acceptors 33.0

Rotatable Bonds 84.0

Heavy Atoms 171.0

Ring Count 1.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0378987 VERIFIED: YES

Provenance & Taxonomy

OrganismHeliothis virescens [Animal]

FamilyCecropin

Structure & Mods

ConfigDNA-encoded linear 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)