Peptide Database

Peptide NameDrosulfakinin-2

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuromuscular and muscle activity ▸ Myotropic activity

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Regulatory peptide ▸ Biological modulation

Regulatory peptide ▸ Biological regulation

Standard StatusStandard

Sequence Length14 amino acids

Chemical FormulaC71H94N20O25S

DescriptionStandard

        GGDDQFDDYGHMRF
    

Molecular Weight1659.69 Da

Isoelectric Point (pI)4.13

Net Charge (pH 7.0)-3.15

Net Charge (pH 7.4) -3.41

Charge Density (pH 7.0) -0.2250

GRAVY Index-1.44

Hydrophobic Moment 0.37

Boman Index-0.19

Instability Index10.08

Aliphatic Index 0.00

Aromaticity 0.2143

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 744.72

LogP -7.82

H-bond Donors 25.0

H-bond Acceptors 24.0

Rotatable Bonds 53.0

Heavy Atoms 117.0

Ring Count 4.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0310360 VERIFIED: YES

Provenance & Taxonomy

OrganismDrosophila simulans [Animal]

FamilyGastrin/cholecystokinin

Tax ID7240

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Other ModsTyr9 Sulfotyrosine

Bio-Activity Profile

Function

Hormone Gastrointestinal Neuropeptide

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