Multiple Assemblies exist for SMTL entry 4n7p
Capturing the haemoglobin allosteric transition in a single crystal form; Crystal structure of half-liganded human haemoglobin without phosphate at 2.8 A resolution.; X-RAY DIFFRACTION 2.81 Å

	SMTL ID 4n7p.1 Ligands PROTOPORPHYRIN IX CONTAINING NI(II); PROTOPORPHYRIN IX CONTAINING FE Polypeptides Hemoglobin subunit alpha; Hemoglobin subunit beta Oligo-state hetero-2-2-mer
	SMTL ID 4n7p.2 Ligands PROTOPORPHYRIN IX CONTAINING NI(II); PROTOPORPHYRIN IX CONTAINING FE Polypeptides Hemoglobin subunit alpha; Hemoglobin subunit beta Oligo-state hetero-2-2-mer
	SMTL ID 4n7p.3 Ligands PROTOPORPHYRIN IX CONTAINING NI(II); PROTOPORPHYRIN IX CONTAINING FE Polypeptides Hemoglobin subunit alpha; Hemoglobin subunit beta Oligo-state hetero-2-2-mer