Abstract
Biohybrid catalysts have been developed by incorporating organometallic complexes into cross-linked porous protein crystals. As reported by Takafumi Ueno, Susumu Kitagawa et al. in their Full Paper on page 1373 ff., organoruthenium complexes in cross-linked porous hen egg white lysozyme (HEWL) crystals had an improved catalytic activity of hydrogen transfer reduction of acetophenone derivatives as compared to that of a buffer solution containing the organoruthenium complexes and HEWL. The reaction catalyzed in the tetragonal and orthorhombic HEWL crystals gave different enantiomers by specific protein–substrate interactions. This method represents a new approach for the construction of reaction nanovessels using protein crystals.
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