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. 2021 Dec 1;49(22):12929–12942. doi: 10.1093/nar/gkab1152

Figure 3.

Figure 3.

PRC5 is part of a complex with PRP19-related proteins and the trypanosomatid-specific protein PRC3. (A) The final eluate of PRC5-PTP tandem affinity purification was sedimented through a 10–40% linear sucrose gradient by ultracentrifugation and fractionated from top to bottom into 20 aliquots. Proteins from each fraction were separated by SDS-PAGE and stained with SYPRO Ruby. Protein bands were excised and identified by LC/MS/MS. For comparison, sedimentations of TEV protease (29 kDa), Taq DNA polymerase (95 kDa), IgG (150 kDa, 6.6S) and apoferritin (444 kDa, 17S), were analyzed in parallel gradients (arrowheads). (B) Schematic representation to scale of the five PRC subunits. For comparison, the human SYF1, SYF3 and ISY1 homologs are depicted, too. Pink, green and gray boxes indicate TPR domains, ISY1 domains and highly conserved regions among trypanosomatid homologs, respectively.