Peptide Database

Peptide NameCecropin-B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibiotic activity

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

Standard StatusStandard

Sequence Length57 amino acids

Chemical FormulaC274H447N77O78S4

DescriptionStandard

        MNFSKIFVFIMLMLAISFGPSEAGKQRKPDKKHERIGQMTRDAVEGVLLAQGATGSG
    

Molecular Weight6196.21 Da

Isoelectric Point (pI)9.82

Net Charge (pH 7.0)2.59

Net Charge (pH 7.4) 2.31

Charge Density (pH 7.0) 0.0455

GRAVY Index-0.08

Hydrophobic Moment 0.66

Boman Index0.06

Instability Index7.49

Aliphatic Index 78.77

Aromaticity 0.0702

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 2500.06

LogP -24.25

H-bond Donors 86.0

H-bond Acceptors 86.0

Rotatable Bonds 214.0

Heavy Atoms 433.0

Ring Count 7.0

Amide Bonds 60.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0417444 VERIFIED: NO

Provenance & Taxonomy

OrganismDrosophila yakuba [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