Peptide Database

Peptide NameCecropin B

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length20 amino acids

Chemical FormulaC99H164N28O26

DescriptionStandard

        RVFRASEKALPVVTGYKAIG
    

Molecular Weight2162.53 Da

Isoelectric Point (pI)10.28

Net Charge (pH 7.0)2.76

Net Charge (pH 7.4) 2.55

Charge Density (pH 7.0) 0.1380

GRAVY Index0.18

Hydrophobic Moment 0.73

Boman Index0.05

Instability Index25.66

Aliphatic Index 97.50

Aromaticity 0.1000

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 881.26

LogP -7.29

H-bond Donors 32.0

H-bond Acceptors 29.0

Rotatable Bonds 70.0

Heavy Atoms 153.0

Ring Count 3.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0079158 VERIFIED: YES

Provenance & Taxonomy

OrganismAedes aegypti [Animal]

FamilyCecropin

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Antimicrobial Anti-Gram-negative

TargetEscherichia coli TOP10

MethodMex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)