DFBP ID - DFBPGAGP0018(γ-Glutamyl peptides)

DFBP ID DFBPGAGP0018 Peptide sequence γ-EL Type Native peptide Peptide/Function name γ-Glutamyl peptide

Function-activity relationship

Main bioactivity Calcium-sensing receptor (CaSR) activation Otheir bioactivity DPP IV-inhibitory activity [D1], Multifunctional activity [D2]

Calculated physicochemical properties

Three-letter amino acid γ-Glu-Leu Single-letter amino acid γ-EL Peptide length 2 Peptide mass Experimental mass Theoretical mass N.D 260.28 Da c Net charge 0.00 c Isoelectric point (pI) 3.34 c IC50 N.D pIC50 N.D GRAVY 0.1500 c Hydrophilic residue ratio 50% 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: DFBPGAGP0001----Legumes, Edible beans (Phaseolus vulgaris L.)----N.D Link 2: DFBPGAGP0009----Fermented food (cheese)----N.D Link 3: DFBPGAGP0034----Fermented food (Parmesan Cheese)----N.D Link 4: DFBPGAGP0044----Fermented food (Sourdough Fermentation)----N.D Link 5: DFBPGAGP0049----Synthesis peptide----Synthesis peptide

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 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-Leu in Soy sauce had a range of 11.6–14.0 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

DFBP [D1] DFBPDPIV0242 [D2] DFBPMUFU0739

BIOPEP-UWM [D3] -

APD [D4] -

BioPepDB [D5] -

MBPDB [D6] -

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