Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC44H65N13O14S

DescriptionStandard

        SGSSNFMRF
    

Molecular Weight1032.13 Da

Isoelectric Point (pI)9.47

Net Charge (pH 7.0)0.46

Net Charge (pH 7.4) 0.25

Charge Density (pH 7.0) 0.0511

GRAVY Index-0.37

Hydrophobic Moment 0.54

Boman Index-0.04

Instability Index5.21

Aliphatic Index 0.00

Aromaticity 0.2222

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 461.80

LogP -6.74

H-bond Donors 17.0

H-bond Acceptors 16.0

Rotatable Bonds 33.0

Heavy Atoms 72.0

Ring Count 2.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0157478 VERIFIED: NO

Provenance & Taxonomy

OrganismThermobia domestica [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide