Peptide Database

Peptide NameDuctus ejaculatorius peptide DUP99B [9-31]

Function Ontology

Regulatory peptide ▸ Chemical communication ▸ Pheromone peptide

Standard StatusStandard

Sequence Length23 amino acids

Chemical FormulaC117H190N38O33S2

DescriptionStandard

        IQSQKDREKWCRLNLGPYLGGRC
    

Molecular Weight2721.13 Da

Isoelectric Point (pI)9.39

Net Charge (pH 7.0)2.74

Net Charge (pH 7.4) 2.50

Charge Density (pH 7.0) 0.1192

GRAVY Index-1.03

Hydrophobic Moment 0.37

Boman Index-0.31

Instability Index39.13

Aliphatic Index 67.83

Aromaticity 0.0870

Extinction Coeff. Reduced 6990.00

Extinction Coeff. Oxidized 7115.00

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

Amino Acid Composition

TPSA 1192.59

LogP -12.03

H-bond Donors 44.0

H-bond Acceptors 38.0

Rotatable Bonds 92.0

Heavy Atoms 190.0

Ring Count 4.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0424129 VERIFIED: NO

Provenance & Taxonomy

OrganismDrosophila melanogaster [Animal]

Tax ID7227

Structure & Mods

Configdisulfide-constrained cyclic peptide [Cyclic]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide11-23

Bio-Activity Profile

Function

Pheromone