G Patchornik et al.
Proceedings of the National Academy of Sciences of the United States of America, 97(22), 11954-11959 (2000-10-18)
In the presence of ascorbate/H(2)O(2), ATP-Fe(2+) or AMP-PNP-Fe(2+) complexes act as affinity cleavage reagents, mediating selective cleavage of the alpha subunit of Na,K-ATPase at high affinity ATP-Mg(2+) sites. The cleavages reveal contact points of Fe(2+) or Mg(2+) ions. In E(1)