Multiple Assemblies exist for SMTL entry 4hrr
Scapharca tetrameric hemoglobin, CO-state; X-RAY DIFFRACTION 1.25 Å

	SMTL ID 4hrr.1 Ligands PROTOPORPHYRIN IX CONTAINING FE; CARBON MONOXIDE Polypeptides Globin-2 A chain; Hemoglobin B chain Oligo-state hetero-2-2-mer
	SMTL ID 4hrr.2 Ligands PROTOPORPHYRIN IX CONTAINING FE; CARBON MONOXIDE Polypeptides Globin-2 A chain; Hemoglobin B chain Oligo-state hetero-2-2-mer