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. Author manuscript; available in PMC: 2009 Nov 25.
Published in final edited form as: Apoptosis. 2008 Nov;13(11):1291–1302. doi: 10.1007/s10495-008-0259-9

Fig. 6.

Fig. 6

Interactions of P5 Leu in S5 subsite of caspases. (a) caspase-3/LDESD. (b) caspase-6/LDESD. (c) caspase-7/LDESD. (d) caspase-2/LDESD. The atoms are colored by element type. Hydrogen bond interactions are represented by broken lines and the van der Waals contacts are shown in dotted lines. Similar interactions were observed in the two binding sites in the heterotetramers.