Figure 1.

Active site of a PseFDH monomer. Catalytic residues involved in hydride transfer (green) and formate binding (blue) as well as those interacting with cofactor moieties of adenosine ribose (brown), phosphodiester (black), and nicotinamide (violet) are highlighted. Carbon (yellow), nitrogen (blue), and oxygen (red) atoms of the cofactor are shown in stick format. The picture was created using PyMol and PDB file 2NAD.²¹