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. 2009 Aug 21;10:257. doi: 10.1186/1471-2105-10-257

Figure 5.

Figure 5

Side-view of the active site of CALB in complex with esters. Red dashed bonds represent the three hydrogen bonds that are kept fixed during molecular docking. And their corresponding atoms are painted bold. The hollow arrow heads show the Distance 1 and Distance 2 which are used in "Distance 1 Check" and "Distance 2 Check" of the CASS.