Multiple Assemblies exist for SMTL entry 4uql
High-resolution structure of a Ni-A Ni-Sox mixture of the D. fructosovorans NiFe-hydrogenase L122A mutant; X-RAY DIFFRACTION 1.22 Å

	SMTL ID 4uql.1 Ligands GLYCINE; IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; morpholine-4-sulfonic acid; GLYCEROL; HYDROSULFURIC ACID; 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 4uql.2 Ligands IRON/SULFUR CLUSTER; FE3-S4 CLUSTER; GLYCEROL; GLYCINE; CARBONMONOXIDE-(DICYANO) IRON; NICKEL (II) ION; MAGNESIUM ION; CHLORIDE ION Polypeptides HYDROGENASE (NIFE) SMALL SUBUNIT HYDA; NICKEL-DEPENDENT HYDROGENASE LARGE SUBUNIT Oligo-state hetero-1-1-mer