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. 2013 Feb 14;8(2):e56305. doi: 10.1371/journal.pone.0056305

Figure 2. Models of the 3D structure of the catalytic domain of S. mutans Gtfs.

Figure 2

Blue: amino acids under negative selection (side chains shown). Yellow: active site. Magenta: Gtf-P1 region [69]. Green sphere: Ca2+ ion. Right panels: Detail of a different view of the region surrounding the active site of GtfB and GtfC.