Peptide Database

Peptide NameCecropin II

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibiotic activity

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

Standard StatusStandard

Sequence Length63 amino acids

Chemical FormulaC307H506N88O86S

DescriptionStandard

        MNYYKLLVFVALHLTISLGTSEAGWLKKIGKKIERVGRHTRDATIQGLGIAQQAANVEATAKG
    

Molecular Weight6837.90 Da

Isoelectric Point (pI)9.99

Net Charge (pH 7.0)4.68

Net Charge (pH 7.4) 4.34

Charge Density (pH 7.0) 0.0742

GRAVY Index-0.02

Hydrophobic Moment 0.99

Boman Index0.08

Instability Index18.54

Aliphatic Index 105.40

Aromaticity 0.0635

Extinction Coeff. Reduced 8480.00

Extinction Coeff. Oxidized 8480.00

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

Amino Acid Composition

TPSA 2829.21

LogP -26.17

H-bond Donors 100.0

H-bond Acceptors 94.0

Rotatable Bonds 235.0

Heavy Atoms 482.0

Ring Count 7.0

Amide Bonds 67.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0013672 VERIFIED: NO

Provenance & Taxonomy

OrganismDrosophila pseudoobscura pseudoobscura [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_0377462 VERIFIED: NO