Peptide Database

Peptide NameCecropin

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibiotic activity

Toxicity / Safety ▸ Negative safety assay result ▸ Non-hemolytic

Standard StatusStandard

Sequence Length63 amino acids

Chemical FormulaC306H499N87O83S2

DescriptionStandard

        MNFYKVFIFVALILAISMGQSEAGWLKKIGKKIERVGQHTRDATIQGLGIAQQAANVAATARG
    

Molecular Weight6788.90 Da

Isoelectric Point (pI)10.28

Net Charge (pH 7.0)4.59

Net Charge (pH 7.4) 4.31

Charge Density (pH 7.0) 0.0728

GRAVY Index0.22

Hydrophobic Moment 0.94

Boman Index0.15

Instability Index27.69

Aliphatic Index 102.38

Aromaticity 0.0794

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 2762.70

LogP -25.08

H-bond Donors 96.0

H-bond Acceptors 91.0

Rotatable Bonds 233.0

Heavy Atoms 478.0

Ring Count 7.0

Amide Bonds 69.0

3D PDB MODEL

Drag to rotate. Click a residue or atom to inspect it; the selected residue is highlighted in amber in the current view mode. Use the buttons to zoom.

2D CHEMICAL STRUCTURE

Drag to move

Drag to move. Use the buttons to zoom.

RECORD: Rec_0097412 VERIFIED: NO

Provenance & Taxonomy

OrganismDrosophila willistoni [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antibiotic Antimicrobial Non-hemolytic Non-ribosomal

MethodQualitative functional evidence

RECORD: Rec_0283379 VERIFIED: YES