Peptide Database

Peptide NameCecropin-B

Function Ontology

Antimicrobial

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

Standard StatusStandard

Sequence Length68 amino acids

Chemical FormulaC345H548N88O88S2

DescriptionStandard

        MNFNIILCFIIVFFTSLSGVFAAPEPKWNPFKKLEKVGQNIRDGIIKAGPAVQVIGQAASIVKPNQGK
    

Molecular Weight7400.71 Da

Isoelectric Point (pI)9.90

Net Charge (pH 7.0)4.49

Net Charge (pH 7.4) 4.25

Charge Density (pH 7.0) 0.0660

GRAVY Index0.31

Hydrophobic Moment 0.74

Boman Index0.22

Instability Index22.73

Aliphatic Index 103.24

Aromaticity 0.1029

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 2809.53

LogP -21.16

H-bond Donors 92.0

H-bond Acceptors 95.0

Rotatable Bonds 244.0

Heavy Atoms 523.0

Ring Count 13.0

Amide Bonds 76.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0030875 VERIFIED: NO

Provenance & Taxonomy

OrganismPapilio xuthus [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Non-hemolytic Non-ribosomal

MethodQualitative functional evidence