Peptide Database

Peptide NameApidaecin IB

Function Ontology

Antimicrobial

Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC93H146N32O24

DescriptionStandard

        GNNRPVYIPQPRPPHPRT
    

Molecular Weight2096.35 Da

Isoelectric Point (pI)11.71

Net Charge (pH 7.0)2.85

Net Charge (pH 7.4) 2.59

Charge Density (pH 7.0) 0.1581

GRAVY Index-1.69

Hydrophobic Moment 0.26

Boman Index-0.36

Instability Index53.16

Aliphatic Index 37.78

Aromaticity 0.0556

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 889.39

LogP -9.89

H-bond Donors 28.0

H-bond Acceptors 28.0

Rotatable Bonds 56.0

Heavy Atoms 149.0

Ring Count 8.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0167373 VERIFIED: YES

Provenance & Taxonomy

OrganismApis florea [Animal]

FamilyApidaecin

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)