Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC184H303N59O49

DescriptionStandard

        RWNPFKKLERVGQHIRDGIIKAGPAVEVIGQANSIAR
    

Molecular Weight4125.74 Da

Isoelectric Point (pI)10.93

Net Charge (pH 7.0)3.85

Net Charge (pH 7.4) 3.59

Charge Density (pH 7.0) 0.1041

GRAVY Index-0.41

Hydrophobic Moment 0.81

Boman Index-0.08

Instability Index36.81

Aliphatic Index 97.57

Aromaticity 0.0541

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

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

Amino Acid Composition

TPSA 1767.96

LogP -16.44

H-bond Donors 61.0

H-bond Acceptors 54.0

Rotatable Bonds 139.0

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_0171260 VERIFIED: YES

Provenance & Taxonomy

OrganismPlutella xylostella [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)