Multiple Assemblies exist for SMTL entry 4upe
Structure of the unready Ni-A state of the S499C mutant of D. fructosovorans NiFe-hydrogenase; X-RAY DIFFRACTION 1.80 Å

	SMTL ID 4upe.1 Ligands IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; CARBONMONOXIDE-(DICYANO) IRON; NICKEL (II) ION; CALCIUM ION; GLYCEROL; PHOSPHATE ION Polypeptides NIFE-HYDROGENASE SMALL SUBUNIT; NICKEL-DEPENDENT HYDROGENASE LARGE SUBUNIT Oligo-state hetero-1-1-mer
	SMTL ID 4upe.2 Ligands IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; CARBONMONOXIDE-(DICYANO) IRON; NICKEL (II) ION; CALCIUM ION; GLYCEROL; PHOSPHATE ION Polypeptides NIFE-HYDROGENASE SMALL SUBUNIT; NICKEL-DEPENDENT HYDROGENASE LARGE SUBUNIT Oligo-state hetero-1-1-mer
	SMTL ID 4upe.3 Ligands IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; CARBONMONOXIDE-(DICYANO) IRON; NICKEL (II) ION; CALCIUM ION; GLYCEROL; 2-(N-MORPHOLINO)-ETHANESULFONIC ACID Polypeptides NIFE-HYDROGENASE SMALL SUBUNIT; NICKEL-DEPENDENT HYDROGENASE LARGE SUBUNIT Oligo-state hetero-1-1-mer