| DFBP ID - DFBPALGL0020(α-Glucosidase inhibitory peptide) |
| DFBP ID |
DFBPALGL0020 |
| Peptide sequence |
LAPSLPGKPKPD |
| Type |
Native peptide |
| Peptide/Function name |
α-Glucosidase inhibitory peptide, Anti-diabetic peptide |
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| Function-activity relationship |
| Main bioactivity |
α-Glucosidase inhibitory activity |
| Otheir bioactivity |
ACE-inhibitory activity [D1], Antioxidative activity [D2], DPP IV-inhibitory activity [D3], Multifunctional activity [D4] |
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| Calculated physicochemical properties |
| Three-letter amino acid |
Leu-Ala-Pro-Ser-Leu-Pro-Gly-Lys-Pro-Lys-Pro-Asp |
| Single-letter amino acid |
LAPSLPGKPKPD |
| Peptide length |
12 |
| Peptide mass |
| Experimental mass |
Theoretical mass |
| N.D |
1219.42 Da c |
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| Net charge |
0.00 c |
| Isoelectric point (pI) |
9.84 c |
| IC50 |
N.D |
| pIC50 |
N.D |
| GRAVY |
-0.7917 c |
| Hydrophilic residue ratio |
66.67% c |
| Peptide calculator |
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| Peptide source & Food-borne protein(s) search |
| Classification |
Animal |
| Organism/Source |
Egg |
| Precursor protein |
Egg-yolk protein by-product |
| Residue position |
N.D |
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Precursor protein(s) search
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Link-research
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There are no literature reports on the discovery of this sequence in other food-source proteins. |
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| Biological/Functional activity & target protein |
| α-Glucosidase inhibitory activity |
Inhibitor of α-glucosidase (EC 3.2.1.20). This peptide revealed a-glucosidase inhibitory activity (1065.6 μmol/L).
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| Specific target protein(s) |
Specific Target Protein(s):
Lysosomal alpha-glucosidase |
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| Taste properties & Structure |
| Bitterness |
| Literature report |
N.D |
| Bitter prediction tools |
Bitter taste prediction |
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| SMILES |
N[C@@]([H])(CC(C)C)C(=O)N[C@@]([H])(C)C(=O)N1[C@@]([H])(CCC1)C(=O)N[C@@]([H])(CO)C(=O)N[C@@]([H])(CC(C)C)C(=O)N1[C@@]([H])(CCC1)C(=O)NCC(=O)N[C@@]([H])(CCCCN)C(=O)N1[C@@]([H])(CCC1)C(=O)N[C@@]([H])(CCCCN)C(=O)N1[C@@]([H])(CCC1)C(=O)N[C@@]([H])(CC(=O)O)C(=O)O |
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| Preparation method |
| Mode of preparation |
Enzymatic hydrolysis |
| Enzyme(s)/starter culture |
The egg-yolk protein by-product was prepared with a proteinase from Asian pumpkin (Cucurbita ficifolia). |
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| Stability & Cytotoxicity |
| Peptide stability |
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| Peptide cytotoxicity |
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| Additional information |
| Additional information |
N.D |
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| Database cross-references |
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| Reference(s) |
| Primary literature |
Zambrowicz, A., Eckert, E., Pokora, M., Bobak, Ł., Dąbrowska, A., Szołtysik, M., et al. Antioxidant and antidiabetic activities of peptides isolated from a hydrolysate of an egg-yolk protein by-product prepared with a proteinase from Asian pumpkin (Cucurbita ficifolia). RSC Advances. 2015, 5, 10460-7.
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| Other literature(s) |
N.D |
| PubDate |
2015 |
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