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. Author manuscript; available in PMC: 2008 Dec 11.
Published in final edited form as: J Chem Theory Comput. 2006;2(4):1057–1069. doi: 10.1021/ct0600060

Figure 4.

Figure 4

Chemical structure of OM99-2 and the partitioning of QM and MM regions. Atoms colored in red are in the QM region, whereas atoms colored in black are in the MM region.