Peptide Database

Peptide NameCecropin-B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibiotic activity

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

Standard StatusStandard

Sequence Length63 amino acids

Chemical FormulaC325H501N81O84S

DescriptionStandard

        MNFNKFFILIAFVFAVFVAQTEAGWLKKLGKQIGRIGQQTWDAAKDVVNVADKGIYLAGALEG
    

Molecular Weight6919.01 Da

Isoelectric Point (pI)9.22

Net Charge (pH 7.0)1.50

Net Charge (pH 7.4) 1.27

Charge Density (pH 7.0) 0.0238

GRAVY Index0.39

Hydrophobic Moment 0.90

Boman Index0.25

Instability Index14.89

Aliphatic Index 103.81

Aromaticity 0.1429

Extinction Coeff. Reduced 12490.00

Extinction Coeff. Oxidized 12490.00

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

Amino Acid Composition

TPSA 2665.94

LogP -17.30

H-bond Donors 90.0

H-bond Acceptors 87.0

Rotatable Bonds 232.0

Heavy Atoms 491.0

Ring Count 11.0

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_0014808 VERIFIED: NO

Provenance & Taxonomy

OrganismStomoxys calcitrans [Bacterium]

FamilyCecropin family

Tax ID35570

Structure & Mods

Configlinear polypeptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antibiotic Antimicrobial Non-hemolytic

MethodQualitative functional evidence