Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length11 amino acids

Chemical FormulaC60H98N20O18

DescriptionStandard

        ENPRQTNFIRL
    

Molecular Weight1387.54 Da

Isoelectric Point (pI)9.70

Net Charge (pH 7.0)0.84

Net Charge (pH 7.4) 0.67

Charge Density (pH 7.0) 0.0761

GRAVY Index-1.29

Hydrophobic Moment 0.21

Boman Index-0.41

Instability Index-10.20

Aliphatic Index 70.91

Aromaticity 0.0909

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 656.13

LogP -7.12

H-bond Donors 22.0

H-bond Acceptors 19.0

Rotatable Bonds 45.0

Heavy Atoms 98.0

Ring Count 2.0

Amide Bonds 13.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0034610 VERIFIED: NO

Provenance & Taxonomy

OrganismSminthurus viridis [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide