Multiple Assemblies exist for SMTL entry 1xk3
NADPH- and Ascorbate-Supported Heme Oxygenase Reactions are Distinct. Regiospecificity of Heme Cleavage by the R183E Mutant; X-RAY DIFFRACTION 2.08 Å

SMTL ID
1xk3.1
Ligands
PROTOPORPHYRIN IX CONTAINING FE; NITRIC OXIDE
Polypeptides
Heme oxygenase 1
Oligo-state
monomer
SMTL ID
1xk3.2
Ligands
PROTOPORPHYRIN IX CONTAINING FE
Polypeptides
Heme oxygenase 1
Oligo-state
monomer