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. 2017 Jan 5;7:2129. doi: 10.3389/fmicb.2016.02129

FIGURE 1.

FIGURE 1

MALDI-TOF mass spectrometry analysis of proteins that interact with Rta. (A) P3HR1 cells were treated with TPA and sodium butyrate for 24 h to induce the EBV lytic cycle and Rta expression. Cells were then lysed, and proteins in the lysate were immunoprecipitated (IP) with anti-Rta or anti-IgG antibodies. Immunoprecipitated proteins were denatured and analyzed by 2-D polyacrylamide gel electrophoresis. (B) Proteins in prospective spots were digested with trypsin and analyzed by MALDI-TOF mass spectrometry. Proteins with peptide fingerprints matching those in the MSDB database are listed in the table at right. (C) Peptide sequences in TRIM5α matching those in the D21 proteins are underlined.