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. 2019 Feb 28;9:3123. doi: 10.1038/s41598-019-39781-3

Figure 6.

Figure 6

(A) RP-HPLC elution profile of the products of the proteolysis of soluble 6aJL2 protein with trypsin. Prior to be injected into the column, the sample was reduced by adding 10 mM dithiothreitol (DTT). The data represented are the time-dependence variation of (black line) absorbance at 216 nm or (blue line) intrinsic fluorescence at 350 nm, exciting the sample at 295 nm. (B) Identification of the proteolytic fragments of 6aJL2 protein contained in the chromatography fractions collected in A) by MALDI-TOF mass spectrometry analysis. arefers to the fractions identified with the same letter code in panel (A). R.T./min refers to the retention time (minutes) of each fraction in the RP-HPLC analysis. brefers to the mass (Da) determined experimentally by MALDI-TOF mass spectrometry analysis. crefers to the segment of protein 6aJL2 identified as the best-matching sequence for each experimental mass determined by means of the web-based computational tool FindPept (http://web.expasy.org/findpept/).