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Figure 3 | BMC Structural Biology

Figure 3

From: In vitro histone lysine methylation by NSD1, NSD2/MMSET/WHSC1 and NSD3/WHSC1L

Figure 3

The opening motion of the catalytic domain. Left panel: The structure of the CD is composed of three groups of canonical β-sheets arranged in a triangular fashion with a group of two β-sheets closely neighbouring a conserved α-helix defining a cleft for the binding of the lysine-histone ligand. The cofactor SAM binds in a cavity adjacent to the CD connected through a channel. The flexible regulatory loop is shown in red. The motion of the regulatory loop is indicated with bent black closed arrows. Right panel: Model of the NSD-CDs bound with the H3-peptide (a.a. 32–38) after MD simulations. H3K36 is indicated by an arrow. The electrostatic surface is colored as follows: blue: positive charges; red: negative charges with unit +5/-5−1.

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