Peptide Database

Peptide NamePQRFamide-2

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length18 amino acids

Chemical FormulaC94H133N25O26S

DescriptionStandard

        DWEGAPGQVWSMAVPQRF
    

Molecular Weight2061.28 Da

Isoelectric Point (pI)4.37

Net Charge (pH 7.0)-1.24

Net Charge (pH 7.4) -1.44

Charge Density (pH 7.0) -0.0687

GRAVY Index-0.47

Hydrophobic Moment 0.24

Boman Index0.11

Instability Index39.49

Aliphatic Index 43.33

Aromaticity 0.1667

Extinction Coeff. Reduced 11000.00

Extinction Coeff. Oxidized 11000.00

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

Amino Acid Composition

TPSA 814.93

LogP -6.16

H-bond Donors 27.0

H-bond Acceptors 26.0

Rotatable Bonds 60.0

Heavy Atoms 146.0

Ring Count 7.0

Amide Bonds 19.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0254716 VERIFIED: NO

Provenance & Taxonomy

OrganismTakifugu niphobles [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide