Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length19 amino acids

Chemical FormulaC94H140N24O30

DescriptionStandard

        TSSIFGNGAESLEPNFLRF
    

Molecular Weight2086.26 Da

Isoelectric Point (pI)4.53

Net Charge (pH 7.0)-1.60

Net Charge (pH 7.4) -1.79

Charge Density (pH 7.0) -0.0840

GRAVY Index-0.09

Hydrophobic Moment 0.50

Boman Index0.14

Instability Index25.26

Aliphatic Index 66.84

Aromaticity 0.1579

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 881.93

LogP -10.12

H-bond Donors 30.0

H-bond Acceptors 29.0

Rotatable Bonds 66.0

Heavy Atoms 148.0

Ring Count 4.0

Amide Bonds 20.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0395374 VERIFIED: NO

Provenance & Taxonomy

OrganismAnurida maritima [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide