title: On the role of Zn2+ and Ni2+ in ribosome structure.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004926:Escherichia coli; D009532:Nickel; D012270:Ribosomes; D014461:Ultracentrifugation; D014783:Viscosity; D015032:Zinc
chemical_list: D009532:Nickel; D015032:Zinc