DFBP ID - DFBPGAGP0017(γ-Glutamyl peptides)

DFBP ID DFBPGAGP0017 Peptide sequence γ-EE Type Native peptide Peptide/Function name γ-Glutamyl peptide

Function-activity relationship

Main bioactivity Calcium-sensing receptor (CaSR) activation Otheir bioactivity N.D

Calculated physicochemical properties

Three-letter amino acid γ-Glu-Glu Single-letter amino acid γ-EE Peptide length 2 Peptide mass Experimental mass Theoretical mass N.D 276.24 Da c Net charge 0.00 c Isoelectric point (pI) 3.19 c IC50 N.D pIC50 N.D GRAVY -3.5000 c Hydrophilic residue ratio 0% c Peptide calculator To calculate the physicochemical properties of bioactive peptide.

Peptide source & Food-borne protein(s) search

Classification Plant Organism/Source Fermented food (Soy sauce) Precursor protein N.D Residue position N.D Precursor protein(s) search No matching precursor protein found Link-research Inductive analysis Link 1: DFBPGAGP0006----Fermented food (cheese)----N.D Link 2: DFBPGAGP0032----Fermented food (Parmesan Cheese)----N.D Link 3: DFBPGAGP0042----Fermented food (Sourdough Fermentation)----N.D

Biological/Functional activity & target protein

Calcium-sensing receptor (CaSR) activation N.D Specific target protein(s) N.D

Taste properties & Structure

Bitterness Literature report N.D Bitter prediction tools Non-bitter taste prediction SMILES N.D

Preparation method

Mode of preparation Fermentation Enzyme(s)/starter culture N.D

Stability & Cytotoxicity

Peptide stability Literature report: N.D EHP-Tool: Enzymatic Hydrolysis Prediction Tool (EHP-Tool) Peptide cytotoxicity Literature report: N.D Prediction: ToxinPred

Additional information

Additional information (1) The γ-Glu-Glu in Soy sauce had a range of 18.4–25.2 mg/L. (2) The N-succinoylglutamic acid was identified for the first time in food as a minor compound in soy sauce (5 mg/kg).

Database cross-references

BIOPEP-UWM [D1] -

APD [D2] -

BioPepDB [D3] -

MBPDB [D4] -

Reference(s)

Primary literature Frerot E, Chen T. Identification and quantitation of new glutamic acid derivatives in soy sauce by UPLC/MS/MS. Chem Biodivers. 2013 Oct;10(10):1842-50. PMID: 24130027 DOI: 10.1002/cbdv.201300150 Other literature(s) N.D PubDate 2013