Multiple Assemblies exist for SMTL entry 4u9k
Crystal structure of an H-NOX protein from S. oneidensis in the Mn(II)NO ligation state, Q154A/Q155A/K156A mutant; X-RAY DIFFRACTION 2.45 Å

	SMTL ID 4u9k.1 Ligands MANGANESE PROTOPORPHYRIN IX; ZINC ION; NITRIC OXIDE; SODIUM ION Polypeptides NO-binding heme-dependent sensor protein Oligo-state monomer
	SMTL ID 4u9k.2 Ligands MANGANESE PROTOPORPHYRIN IX; ZINC ION Polypeptides NO-binding heme-dependent sensor protein Oligo-state monomer