Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC49H73N13O14

DescriptionStandard

        SLGDNFLRF
    

Molecular Weight1068.18 Da

Isoelectric Point (pI)5.55

Net Charge (pH 7.0)-0.54

Net Charge (pH 7.4) -0.75

Charge Density (pH 7.0) -0.0599

GRAVY Index0.06

Hydrophobic Moment 0.70

Boman Index0.07

Instability Index13.59

Aliphatic Index 86.67

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 458.64

LogP -3.91

H-bond Donors 16.0

H-bond Acceptors 14.0

Rotatable Bonds 34.0

Heavy Atoms 76.0

Ring Count 2.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0172826 VERIFIED: NO

Provenance & Taxonomy

OrganismXibalbanus tulumensis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide