Peptide Database

Peptide NameCecropin A

Function Ontology

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Standard StatusStandard

Sequence Length37 amino acids

Chemical FormulaC182H304N54O46

DescriptionStandard

        RWKIFKKIEKVGQNIRDGIIKAGPAVAVVGQAATIAH
    

Molecular Weight3984.69 Da

Isoelectric Point (pI)10.56

Net Charge (pH 7.0)4.85

Net Charge (pH 7.4) 4.58

Charge Density (pH 7.0) 0.1310

GRAVY Index0.09

Hydrophobic Moment 0.82

Boman Index0.09

Instability Index31.75

Aliphatic Index 110.81

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 1624.60

LogP -12.87

H-bond Donors 56.0

H-bond Acceptors 52.0

Rotatable Bonds 136.0

Heavy Atoms 282.0

Ring Count 5.0

Amide Bonds 39.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0204501 VERIFIED: YES

Provenance & Taxonomy

OrganismBombyx mori [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)