Peptide Database

Peptide NameFMRFamide, FMRFa2 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC43H76N14O14

DescriptionStandard

        SPSNNLLRL
    

Molecular Weight1013.15 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 0.55

Boman Index-0.13

Instability Index100.51

Aliphatic Index 130.00

Aromaticity 0.0000

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 475.87

LogP -6.08

H-bond Donors 16.0

H-bond Acceptors 15.0

Rotatable Bonds 32.0

Heavy Atoms 71.0

Ring Count 1.0

Amide Bonds 10.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0054694 VERIFIED: NO

Provenance & Taxonomy

OrganismTricholepidion gertschi [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide