Peptide Database

Peptide NameFMRFamide-like neuropeptide [V1]

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length12 amino acids

Chemical FormulaC69H101N17O16

DescriptionStandard

        VYRKPPFNGSIF
    

Molecular Weight1424.64 Da

Isoelectric Point (pI)9.99

Net Charge (pH 7.0)1.73

Net Charge (pH 7.4) 1.52

Charge Density (pH 7.0) 0.1443

GRAVY Index-0.28

Hydrophobic Moment 0.21

Boman Index0.07

Instability Index2.08

Aliphatic Index 56.67

Aromaticity 0.2500

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 1490.00

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

Amino Acid Composition

TPSA 537.31

LogP -3.23

H-bond Donors 18.0

H-bond Acceptors 18.0

Rotatable Bonds 41.0

Heavy Atoms 102.0

Ring Count 5.0

Amide Bonds 12.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Bio-Activity Profile

Function

-

Half-LifeMammalian: 100 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0402951 VERIFIED: YES

Provenance & Taxonomy

OrganismCarcinus maenas [Animal]

FamilySIFamide

Tax ID6759

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

-

Half-LifeMammalian: 100 hour; Yeast: >20 hour; E. coli: >10 hour