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. 2019 Sep 23;47(19):10426–10438. doi: 10.1093/nar/gkz819

Figure 7.

Figure 7.

The model for the role of RBBP5CTD in regulating MLL1 complex. The interaction between RBBP5WD40 and RBBP5CTD facilitates the formation of a compact MLL1 complex with correct coordination of the structural elements required for methylation. The loss of RBBP5CTD generates an extended complex with low catalytic efficiency. A vertebrate-specific RBBP5CTD3 can bind to nucleosome DNA and increases the association of the MLL1 complex with nucleosomes, thereby promoting methylation of nucleosomal H3.