Peptide Database

Peptide NameCecropin-B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive

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

Standard StatusStandard

Sequence Length58 amino acids

Chemical FormulaC284H472N76O72S2

DescriptionStandard

        ILSFVFACLLALSAVSAAPEPRWKVFKKIEKMGRNIRDGIVKAGPAIEVLGSAKALGK
    

Molecular Weight6167.38 Da

Isoelectric Point (pI)10.13

Net Charge (pH 7.0)5.75

Net Charge (pH 7.4) 5.52

Charge Density (pH 7.0) 0.0992

GRAVY Index0.45

Hydrophobic Moment 0.89

Boman Index0.17

Instability Index65.65

Aliphatic Index 114.48

Aromaticity 0.0690

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 2352.49

LogP -16.58

H-bond Donors 83.0

H-bond Acceptors 80.0

Rotatable Bonds 208.0

Heavy Atoms 434.0

Ring Count 8.0

Amide Bonds 58.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0052144 VERIFIED: YES

Provenance & Taxonomy

OrganismSpodoptera litura [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative Anti-Gram-positive Non-hemolytic

TargetGram-negative and Gram-positive bacteria