Fig. 19. Self-assembly of tetrameric cytochrome cb562 variant in E. coli in presence of Zn2+ ions forming Zn-PN. The Zn-PN exhibited in vivo metallo-β-lactamase activity, even in the presence of ampicillin, a β-lactam antibacterial chemotherapeutic drug. Adapted with permission from ref. 229. Copyright 2014 The American Association for the Advancement of Science.
