Multiple Assemblies exist for SMTL entry 1xcp
Crystal Structure of the Nitrogenase Fe protein Phe135Trp with MgADP bound; X-RAY DIFFRACTION 3.20 Å

	SMTL ID 1xcp.1 Ligands MAGNESIUM ION; ADENOSINE-5'-DIPHOSPHATE; IRON/SULFUR CLUSTER Polypeptides Nitrogenase iron protein 1 Oligo-state homo-dimer
	SMTL ID 1xcp.2 Ligands MAGNESIUM ION; IRON/SULFUR CLUSTER; ADENOSINE-5'-DIPHOSPHATE Polypeptides Nitrogenase iron protein 1 Oligo-state homo-dimer