Multiple Assemblies exist for SMTL entry 4ud6
Structure of methylviologen-treated anaerobically purified D. fructosovorans NiFe-hydrogenase; X-RAY DIFFRACTION 2.12 Å

	SMTL ID 4ud6.1 Ligands IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; GLYCEROL; CARBONMONOXIDE-(DICYANO) IRON; NICKEL (II) ION; MAGNESIUM ION Polypeptides HYDROGENASE (NIFE) SMALL SUBUNIT HYDA; NICKEL-DEPENDENT HYDROGENASE LARGE SUBUNIT Oligo-state hetero-1-1-mer
	SMTL ID 4ud6.2 Ligands IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; CARBONMONOXIDE-(DICYANO) IRON; NICKEL (II) ION; MAGNESIUM ION; GLYCEROL Polypeptides HYDROGENASE (NIFE) SMALL SUBUNIT HYDA; NICKEL-DEPENDENT HYDROGENASE LARGE SUBUNIT Oligo-state hetero-1-1-mer
	SMTL ID 4ud6.3 Ligands IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; GLYCEROL; CARBONMONOXIDE-(DICYANO) IRON; NICKEL (II) ION; MAGNESIUM ION Polypeptides HYDROGENASE (NIFE) SMALL SUBUNIT HYDA; NICKEL-DEPENDENT HYDROGENASE LARGE SUBUNIT Oligo-state hetero-1-1-mer