Peptide Database

Peptide NameNeuropeptide FF

Function Ontology

Cardiovascular

Hormonal / Endocrine ▸ Hormone peptide

Metabolic ▸ Appetite and feeding regulation ▸ Feeding regulator

Neurological / Signaling ▸ Analgesic/opioid activity ▸ Analgesic

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Neurological / Signaling ▸ Pain modulation ▸ Pronociceptive activity

Regulatory peptide ▸ Biological modulation

Regulatory peptide ▸ Biological regulation

Regulatory peptide ▸ Cell-cell communication

Reproductive biology ▸ Reproductive modulation

Standard StatusStandard

Sequence Length8 amino acids

Chemical FormulaC54H75N13O11

DescriptionStandard

        FLFQPQRF
    

Molecular Weight1082.25 Da

Isoelectric Point (pI)9.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0950

GRAVY Index-0.11

Hydrophobic Moment 0.47

Boman Index0.07

Instability Index56.90

Aliphatic Index 48.75

Aromaticity 0.3750

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 406.31

LogP -1.13

H-bond Donors 13.0

H-bond Acceptors 12.0

Rotatable Bonds 32.0

Heavy Atoms 78.0

Ring Count 4.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0383056 VERIFIED: NO

Provenance & Taxonomy

OrganismRattus norvegicus [Animal]

FamilyFMRFamide related peptide

Tax ID10116

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

RFamide Neuropeptide Neuromodulator

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