Peptide Database

Peptide NameFMRFamide 1 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC69H97N19O19

DescriptionStandard

        TWGNIDNNFIRF
    

Molecular Weight1496.62 Da

Isoelectric Point (pI)5.50

Net Charge (pH 7.0)-0.60

Net Charge (pH 7.4) -0.79

Charge Density (pH 7.0) -0.0501

GRAVY Index-0.49

Hydrophobic Moment 0.60

Boman Index0.05

Instability Index5.02

Aliphatic Index 65.00

Aromaticity 0.2500

Extinction Coeff. Reduced 5500.00

Extinction Coeff. Oxidized 5500.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 647.91

LogP -5.59

H-bond Donors 22.0

H-bond Acceptors 19.0

Rotatable Bonds 46.0

Heavy Atoms 107.0

Ring Count 4.0

Amide Bonds 14.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0191973 VERIFIED: NO

Provenance & Taxonomy

OrganismCampodea augens [Animal]; Lepidocampa weberi [Animal]; Occasjapyx japonicus [Animal]; Catajapyx aquilonaris [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide