Peptide Database

Peptide NameFMRFamide-related peptide

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length9 amino acids

Chemical FormulaC56H80N16O16

DescriptionStandard

        YSDRNYLRF
    

Molecular Weight1233.33 Da

Isoelectric Point (pI)8.59

Net Charge (pH 7.0)0.76

Net Charge (pH 7.4) 0.55

Charge Density (pH 7.0) 0.0844

GRAVY Index-1.42

Hydrophobic Moment 0.53

Boman Index-0.46

Instability Index35.62

Aliphatic Index 43.33

Aromaticity 0.3333

Extinction Coeff. Reduced 2980.00

Extinction Coeff. Oxidized 2980.00

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

Amino Acid Composition

TPSA 561.00

LogP -4.67

H-bond Donors 21.0

H-bond Acceptors 17.0

Rotatable Bonds 38.0

Heavy Atoms 88.0

Ring Count 3.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0167891 VERIFIED: YES

Provenance & Taxonomy

OrganismHomarus americanus [Animal]

FamilyFMRFamide-related peptide

Tax ID6706

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

Neuropeptide Neuromodulator

Half-LifeMammalian: 2.8 hour; Yeast: 10 min; E. coli: 2 min

RECORD: Rec_0195320 VERIFIED: YES