Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC43H69N13O15

DescriptionStandard

        GSDSNFIRL
    

Molecular Weight1008.09 Da

Isoelectric Point (pI)5.84

Net Charge (pH 7.0)-0.24

Net Charge (pH 7.4) -0.44

Charge Density (pH 7.0) -0.0265

GRAVY Index-0.27

Hydrophobic Moment 0.37

Boman Index-0.05

Instability Index13.59

Aliphatic Index 86.67

Aromaticity 0.1111

Extinction Coeff. Reduced 0.00

Extinction Coeff. Oxidized 0.00

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

Amino Acid Composition

TPSA 478.87

LogP -6.16

H-bond Donors 17.0

H-bond Acceptors 15.0

Rotatable Bonds 33.0

Heavy Atoms 71.0

Ring Count 1.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0312861 VERIFIED: NO

Provenance & Taxonomy

OrganismMachilontus sp [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide