Peptide Database

Peptide NameDrosulfakinin II

Function Ontology

Gastrointestinal bioactivity

Hormonal / Endocrine ▸ Hormone peptide

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC63H83N17O20S

DescriptionStandard

        DQFDDYGHMRF
    

Molecular Weight1430.50 Da

Isoelectric Point (pI)4.41

Net Charge (pH 7.0)-2.15

Net Charge (pH 7.4) -2.41

Charge Density (pH 7.0) -0.1955

GRAVY Index-1.45

Hydrophobic Moment 0.18

Boman Index-0.25

Instability Index-1.12

Aliphatic Index 0.00

Aromaticity 0.2727

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 620.12

LogP -5.02

H-bond Donors 21.0

H-bond Acceptors 20.0

Rotatable Bonds 45.0

Heavy Atoms 101.0

Ring Count 4.0

Amide Bonds 11.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0107130 VERIFIED: YES

Provenance & Taxonomy

OrganismCalliphora vomitoria [Animal]

FamilyGastrin/cholecystokinin

Tax ID27454

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Other ModsTyr6 Sulfotyrosine

Bio-Activity Profile

Function

Hormone Gastrointestinal Neuropeptide

RECORD: Rec_0319282 VERIFIED: YES