Peptide Database

Peptide NameCecropin A

Function Ontology

Antimicrobial

Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC190H311N53O48S

DescriptionStandard

        KWKIFKKIEHMGQNIRDGLIKAGPAVQVVGQAATIYK
    

Molecular Weight4137.89 Da

Isoelectric Point (pI)10.12

Net Charge (pH 7.0)4.84

Net Charge (pH 7.4) 4.58

Charge Density (pH 7.0) 0.1309

GRAVY Index-0.20

Hydrophobic Moment 0.70

Boman Index0.05

Instability Index21.37

Aliphatic Index 97.57

Aromaticity 0.0811

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 6990.00

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

Amino Acid Composition

TPSA 1652.04

LogP -11.73

H-bond Donors 56.0

H-bond Acceptors 55.0

Rotatable Bonds 143.0

Heavy Atoms 292.0

Ring Count 6.0

Amide Bonds 40.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0169683 VERIFIED: YES

Provenance & Taxonomy

OrganismPieris rapae [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)

RECORD: Rec_0337766 VERIFIED: NO