Another reference:
N. Sukumar, Y.Xu, D.L. Gatti, B.Mitra and F.S. Mathews
Structure of an Active Soluble Mutant of the Membrane-Associated
(S)-Mandelate Dehydrogenase
Biochemistry 40,9870-9878 (2001).
In this paper, the membrane protein is converted into the soluble
protein by replacing an
Sebastiano,
We observed similar phenomenon in our protein-protein complex. This
reference will give you details (Crystal Structure of an Electron Transfer
Complex between Aromatic Amine Dehydrogenase- Azurin from Alcaligenes
faecalis, Biochemistry, 45, 13500-13510, 2006).
Sukumar
Narayanasami