Streptavidin with a bisbiothinilated Fe4S4 cluster

Hydrophobic probe bound to Streptavidin - 1

25 % w/v PEG 1500
0.1 M boric acid pH 8.5
(anaerobic)

Different ligand studied for the formation of the Fe4S4 cluster

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY

Artificial Metalloenzyme, UNKNOWN FUNCTION