Peptide Database

Peptide NameFMRFamide 9

Function Ontology

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length21 amino acids

Chemical FormulaC115H174N40O34S2

DescriptionStandard

        ETADRNFMRNQREPQHNFMRF
    

Molecular Weight2724.99 Da

Isoelectric Point (pI)9.55

Net Charge (pH 7.0)0.93

Net Charge (pH 7.4) 0.71

Charge Density (pH 7.0) 0.0442

GRAVY Index-1.79

Hydrophobic Moment 0.66

Boman Index-0.54

Instability Index18.18

Aliphatic Index 4.76

Aromaticity 0.1429

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 1260.39

LogP -14.38

H-bond Donors 43.0

H-bond Acceptors 38.0

Rotatable Bonds 91.0

Heavy Atoms 191.0

Ring Count 5.0

Amide Bonds 25.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0280524 VERIFIED: NO

Provenance & Taxonomy

OrganismLithobius forficatus [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide