Pillar files

R367 G. G. Hammes, S. J. Benkovic and S. Hammes-Schiffer, Flexibility, Diversity, and Cooperativity Pillars of Enzyme Catalysis , Biochemistry, [online computer file], 2011, 50, 10422. 

Files are identified either by their general shape -i.e. hand, flat or pillar - or by their cross-section -i.e. square, three-square, round, half-round or knife - Fig. 2.2. 

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