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Multiple Assemblies exist for SMTL entry 1yff
STRUCTURE OF HUMAN CARBONMONOXYHEMOGLOBIN C (BETA E6K): TWO QUATERNARY STATES (R2 and R3) IN ONE CRYSTAL; X-RAY DIFFRACTION 2.40 Å

SMTL ID
1yff.1
Ligands
PROTOPORPHYRIN IX CONTAINING FE; CARBON MONOXIDE; PHOSPHATE ION
Polypeptides
Hemoglobin alpha chain; Hemoglobin beta chain
Oligo-state
hetero-2-2-mer
SMTL ID
1yff.2
Ligands
PROTOPORPHYRIN IX CONTAINING FE; CARBON MONOXIDE
Polypeptides
Hemoglobin alpha chain; Hemoglobin beta chain
Oligo-state
hetero-2-2-mer