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. 2019 Oct 15;6:152. doi: 10.3389/fnut.2019.00152

Figure 5.

Figure 5

Bovine β-casein derived peptides identified in non-fermented WPI and WPI fermented with L. helveticus LH-2 and L. acidophilus La-5. Negative charged amino acids (Aspartate D, glutamate E) are in italics, Glycine G, Proline P, and Glutamine Q at position 4, 5, or 6 are marked with bold. P at second position is marked with bold and underline. VPP and IPP are inverse colors (white characters on black background). Phosphorylation sites are marked with a black dot above the serine. Cleavage sites of endogenous milk proteases are adapted from Baum et al. (34) and marked with colored vertical arrows.