Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC48H72N14O14S

DescriptionStandard

        GSDKNFMRF
    

Molecular Weight1101.24 Da

Isoelectric Point (pI)8.75

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.56

Charge Density (pH 7.0) 0.0845

GRAVY Index-1.01

Hydrophobic Moment 0.52

Boman Index-0.27

Instability Index-25.62

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 484.66

LogP -5.12

H-bond Donors 17.0

H-bond Acceptors 16.0

Rotatable Bonds 37.0

Heavy Atoms 77.0

Ring Count 2.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0344007 VERIFIED: NO

Provenance & Taxonomy

OrganismPedetontus okajimae [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide