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 - DFBPAMIC0335(Antimicrobial peptide)

DFBP ID	DFBPAMIC0335
Peptide sequence	ISCDKF
Type	Native peptide
Peptide/Function name	Antimicrobial peptide, LDC, beta-chain

Function-activity relationship

Main bioactivity	Antimicrobial activity
Otheir bioactivity	N.D

Calculated physicochemical properties

Three-letter amino acid

Ile-Ser-Cys-Asp-Lys-Phe

Single-letter amino acid

ISCDKF

Peptide length

Peptide mass

Experimental mass	Theoretical mass
N.D	711.82 Da ^c

Net charge

0.00 ^c

Isoelectric point (pI)

6.08 ^c

IC₅₀

N.D

pIC₅₀

N.D

GRAVY

0.2667^c

Hydrophilic residue ratio

33.33%^c

Peptide calculator

Peptide source & Food-borne protein(s) search

Classification	Animal
Organism/Source	Bos taurus (Bovine)
Precursor protein	α-Lactalbumin
Residue position	N.D
Precursor protein(s) search	Source.1: DFBPPR7597 ---- Milk proteins ---- Alpha-lactalbumin Source.2: DFBPPR7660 ---- Milk proteins ---- Alpha-lactalbumin Source.3: DFBPPR7671 ---- Milk proteins ---- Alpha-lactalbumin A Source.4: DFBPPR7685 ---- Milk proteins ---- Alpha-lactalbumin Source.5: DFBPPR7697 ---- Milk proteins ---- Alpha-lactalbumin Source.6: DFBPPR7711 ---- Milk proteins ---- Alpha-lactalbumin Source.7: DFBPPR8490 ---- Milk proteins ---- Alpha-lactalbumin
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

Antimicrobial activity	Activity against B. bronchiseptica WS, K. pneumoniae ATCC 13883, P. aeruginosa ATCC 27853, B. subtilis BGA, S. aureus ATCC 259230, S. epidermidis ATCC 12228, S. lentus WS, Z. zooepidemicus WS; The peptide is active as bound to the peptide CKDDQNPH via disulphide bridge.
Specific target protein(s)	N.D

Taste properties & Structure

Bitterness

Literature report	N.D
Bitter prediction tools	Bitter taste ^prediction

SMILES

N[C@@]([H])([C@]([H])(CC)C)C(=O)N[C@@]([H])(CO)C(=O)N[C@@]([H])(CS)C(=O)N[C@@]([H])(CC(=O)O)C(=O)N[C@@]([H])(CCCCN)C(=O)N[C@@]([H])(Cc1ccccc1)C(=O)O

Preparation method

Mode of preparation	Synthesis
Enzyme(s)/starter culture	No enzyme

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

[D1]

[D2]

[D3]

[D4]

Reference(s)

Primary literature	Pellegrini A, Thomas U, Bramaz N, Hunziker P, von Fellenberg R. Isolation and identification of three bactericidal domains in the bovine alpha-lactalbumin molecule. Biochim Biophys Acta. 1999 Feb 2;1426(3):439-48. PMID: 10076060 DOI: 10.1016/s0304-4165(98)00165-2
Other literature(s)	N.D
PubDate	1999