2.1.1.90	ATP	half-maximal activation at 0.16 mM ATP	485660	
2.1.1.90	additional information	reductive activation by a mixture of H2, ferredoxin and hydrogenase but also by CO, ATP, GTP or CTP needed in the reductive activation process	485660	
2.1.1.90	additional information	reductive activation by a mixture of H2, ferredoxin needed in the reductive activation process	485660, 485661