Peptide Database

Peptide NameFMRFamide 4

Function Ontology

Neurological / Signaling ▸ Neuromodulation

Neurological / Signaling ▸ Neuropeptide activity ▸ Neuropeptide

Standard StatusStandard

Sequence Length10 amino acids

Chemical FormulaC47H69N13O16S

DescriptionStandard

        ASGSSDFMRF
    

Molecular Weight1104.19 Da

Isoelectric Point (pI)5.88

Net Charge (pH 7.0)-0.20

Net Charge (pH 7.4) -0.39

Charge Density (pH 7.0) -0.0203

GRAVY Index-0.15

Hydrophobic Moment 0.47

Boman Index0.01

Instability Index13.18

Aliphatic Index 10.00

Aromaticity 0.2000

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 485.11

LogP -6.63

H-bond Donors 18.0

H-bond Acceptors 17.0

Rotatable Bonds 35.0

Heavy Atoms 77.0

Ring Count 2.0

Amide Bonds 9.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0061155 VERIFIED: NO

Provenance & Taxonomy

OrganismMusca domestica [Animal]

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

RECORD: Rec_0099292 VERIFIED: NO

Provenance & Taxonomy

OrganismMusca domestica [Animal]

FamilyMudFMRFamide

Tax ID7370

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide Neuromodulator

Half-LifeMammalian: 4.4 hour; Yeast: >20 hour; E. coli: >10 hour

RECORD: Rec_0252132 VERIFIED: NO

Provenance & Taxonomy

Organismnot reported [other]

FamilyFMRFamide-like peptide

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

C-TermAmidation

Bio-Activity Profile

Function

Neuropeptide

Paper数据库级溯源文献：Wang Y, Wang M, Yin S, et al. NeuroPep: a comprehensive resource of neuropeptides. Database (Oxford). 2015:bav038. PMID 25931458; Bin Y, Zhang W, Tang W, et al. Prediction of Neuropeptides from Sequence Information Using Ensemble Classifier and Hybrid Features. J Proteome Res. 2020;19(9):3732-3740. PMID 32786686. PMID25931458;32786686 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/25931458/