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List of peptide properties
DFBP ID - DFBPAMIC0331(Antimicrobial peptide)
DFBP ID DFBPAMIC0331
Peptide sequence EQLTK
Type Native peptide
Peptide/Function name Antimicrobial peptide, LTD 1
Function-activity relationship
Main bioactivity Antimicrobial activity
Otheir bioactivity N.D
Calculated physicochemical properties
Three-letter amino acid Glu-Gln-Leu-Thr-Lys
Single-letter amino acid EQLTK
Peptide length 5
Peptide mass
Experimental mass Theoretical mass
N.D 617.70 Da c
Net charge 0.00 c
Isoelectric point (pI) 6.92 c
IC50 N.D
pIC50 N.D
GRAVY -1.5600 c
Hydrophilic residue ratio 20% c
Peptide calculator
To calculate the physicochemical properties of bioactive peptide.
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: DFBPPR2030 ---- Plant proteins ---- 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase (ferredoxin), chloroplastic
Source.2: DFBPPR7193 ---- Plant proteins ---- Endoplasmin homolog
Source.3: DFBPPR7685 ---- Milk proteins ---- Alpha-lactalbumin
Source.4: DFBPPR7697 ---- Milk proteins ---- Alpha-lactalbumin
Source.5: DFBPPR7711 ---- Milk proteins ---- Alpha-lactalbumin
Source.6: DFBPPR8490 ---- Milk proteins ---- Alpha-lactalbumin
Source.7: DFBPPR17348 ---- Animal proteins ---- 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-1
Source.8: DFBPPR10011 ---- Animal proteins ---- Myosin-11
Source.9: DFBPPR10027 ---- Animal proteins ---- Voltage-dependent L-type calcium channel subunit alpha-1D
Source.10: DFBPPR12167 ---- Animal proteins ---- Protein odr-4 homolog
Source.11: DFBPPR14361 ---- Marine protein ---- Acetolactate synthase small subunit
Source.12: DFBPPR15215 ---- Microorganism protein ---- Protein transport protein SEC24
Link-research
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, B. subtilis BGA, M. luteus ATCC 4698, S. epidermidis ATCC 12228, S. lentus WS and S. zooepidemicus [1].

Specific target protein(s) N.D
Taste properties & Structure
Bitterness
Literature report N.D
Bitter prediction tools Non-bitter taste prediction
SMILES N[C@@]([H])(CCC(=O)O)C(=O)N[C@@]([H])(CCC(=O)N)C(=O)N[C@@]([H])(CC(C)C)C(=O)N[C@@]([H])([C@]([H])(O)C)C(=O)N[C@@]([H])(CCCCN)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
Additional information N.D
Database cross-references
BIOPEP-UWM [D1] 4009
APD [D2] -
BioPepDB [D3] -
MBPDB [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
Other literature(s) N.D
PubDate 1999
Copyright © 2020. Record / license number: Chongqing ICP No. 2000214