Figure 5.

Fragments of the α subunit produced in E₂(Rb) and E₁Na conformations. The enzyme, 1 mg/ml, with added 30 mM RbCl or NaCl, was incubated at 20°C for 20 or 60 min in the standard conditions, without added Fe²⁺ ions. The figure presents a Coomassie-stained gel.