Peptide properties

1Top 2Function-activity relationship 3Calculated physicochemical properties 4Peptide source & Food-borne protein(s) search 5Biological/Functional activity & target protein 6Taste properties & Structure 7Preparation method 8Stability & Cytotoxicity 9Additional information 10Database cross-references 11Reference(s)

List of peptide properties

DFBP ID - DFBPANOX1202(Antioxidative peptide)

DFBP ID	DFBPANOX1202
Peptide sequence	TPCPPQ
Type	Native peptide
Peptide/Function name	Antioxidative peptide

Function-activity relationship

Main bioactivity	Antioxidative activity
Otheir bioactivity	ACE-inhibitory activity ^[D1], Multifunctional activity ^[D2]

Calculated physicochemical properties

Three-letter amino acid

Thr-Pro-Cys-Pro-Pro-Gln

Single-letter amino acid

TPCPPQ

Peptide length

Peptide mass

Experimental mass	Theoretical mass
N.D	641.74 Da ^c

Net charge

0.00 ^c

Isoelectric point (pI)

5.33 ^c

IC₅₀

N.D

pIC₅₀

N.D

GRAVY

-1.0833^c

Hydrophilic residue ratio

50%^c

Peptide calculator

Peptide source & Food-borne protein(s) search

Classification	Plant, Food
Organism/Source	Pixian broad bean paste (PBBP)
Precursor protein	The water-soluble peptide extracts of PBBP
Residue position	N.D
Precursor protein(s) search	No matching precursor protein found
Link-research Inductive analysis	There are no literature reports on the discovery of this sequence in other food-source proteins.

Biological/Functional activity & target protein

Antioxidative activity	Peptide TPCPPQ presented potent antioxidant capacity (ABTS^•+ assay, 535 μmol TE/g, DPPH• assay, 62.62 %).
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	Pixian broad bean paste employed in this study was provided by Sichuan Pixian Douban Co., Ltd. (Pixian, Sichuan, China) and held at −20 ℃.

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

N.D

Database cross-references

DFBP

[D1]	DFBPACEI2254
[D2]	DFBPMUFU0652

[D3]

[D4]

[D5]

[D6]

Reference(s)

Primary literature	Li, M., Fan, W. and Xu, Y. (2021) Identification of angiotensin converting enzyme (ACE) inhibitory and antioxidant peptides derived from Pixian broad bean paste. LWT, 151, 112221. DOI: 10.1016/j.lwt.2021.112221
Other literature(s)	N.D
PubDate	2021