Figure 1.
C. thermocellum hydrogenases and hydrogenase maturation. A) Chromosomal loci of C. thermocellum encoding three [FeFe] hydrogenases (in black) and one [NiFe] hydrogenase (in blue). B) Together, HydE, HydF, and HydG assemble the active site of [FeFe] hydrogenases to make active enzymes.