Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC53H76N16O12

DescriptionStandard

        GYNRGFLRF
    

Molecular Weight1129.27 Da

Isoelectric Point (pI)10.84

Net Charge (pH 7.0)1.76

Net Charge (pH 7.4) 1.55

Charge Density (pH 7.0) 0.1955

GRAVY Index-0.58

Hydrophobic Moment 0.66

Boman Index-0.13

Instability Index11.42

Aliphatic Index 43.33

Aromaticity 0.3333

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 483.24

LogP -3.58

H-bond Donors 18.0

H-bond Acceptors 14.0

Rotatable Bonds 35.0

Heavy Atoms 81.0

Ring Count 3.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0056031 VERIFIED: NO

Provenance & Taxonomy

OrganismParanephrops zealandicus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide