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 FormulaC306H506N90O83S

DescriptionStandard

        MNFNKIFVFVALILVISLGNSEAGWLRKLGKKIERIGQHTRDASIQVLGIAQQAANVAATARG
    

Molecular Weight6805.91 Da

Isoelectric Point (pI)11.00

Net Charge (pH 7.0)4.59

Net Charge (pH 7.4) 4.31

Charge Density (pH 7.0) 0.0729

GRAVY Index0.31

Hydrophobic Moment 0.98

Boman Index0.14

Instability Index22.51

Aliphatic Index 117.78

Aromaticity 0.0635

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 2821.44

LogP -26.45

H-bond Donors 98.0

H-bond Acceptors 90.0

Rotatable Bonds 234.0

Heavy Atoms 480.0

Ring Count 6.0

Amide Bonds 70.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0071897 VERIFIED: NO

Provenance & Taxonomy

OrganismDrosophila melanogaster [Animal]

FamilyCecropin

Structure & Mods

ConfigSingle-chain peptide backbone represented as a linear sequence entry [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial

RECORD: Rec_0087127 VERIFIED: NO

Provenance & Taxonomy

OrganismDrosophila melanogaster [Animal]

FamilyCecropin

Tax ID7227

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antibiotic Antimicrobial Non-hemolytic Non-ribosomal

MethodQualitative functional evidence