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. 2013 Nov 6;8(11):e80043. doi: 10.1371/journal.pone.0080043

Figure 7. Crystal structures of Plk1 PBD in complex with PL-55.

Figure 7

The overlay of the two distinct crystal structures of Plk1 PBD in complex with either PL-55 (gray backbone) or unligated Plk1 PBD (cyan) revealed that the N-terminal adamantyl moiety of PL-55 buried into the broader pyrrolidine hydrophobic region and interacted with unprecedented PBD residues such as Arg 518 and Gln 536.