Multiple Assemblies exist for SMTL entry 1u55
Crystal structure of an oxygen binding H-NOX domain related to soluble guanylate cyclases (oxygen complex); X-RAY DIFFRACTION 1.77 Å

	SMTL ID 1u55.1 Ligands PROTOPORPHYRIN IX CONTAINING FE; OXYGEN MOLECULE Polypeptides Heme-based Methyl-accepting Chemotaxis Protein Oligo-state monomer
	SMTL ID 1u55.2 Ligands CHLORIDE ION; PROTOPORPHYRIN IX CONTAINING FE; OXYGEN MOLECULE Polypeptides Heme-based Methyl-accepting Chemotaxis Protein Oligo-state monomer