Multiple Assemblies exist for SMTL entry 4hil
1.25A Resolution Structure of Rat Type B Cytochrome b5; X-RAY DIFFRACTION 1.25 Å

SMTL ID
4hil.1
Ligands
PROTOPORPHYRIN IX CONTAINING FE
Polypeptides
Cytochrome b5 type B
Oligo-state
monomer
SMTL ID
4hil.2
Ligands
PROTOPORPHYRIN IX CONTAINING FE; SODIUM ION
Polypeptides
Cytochrome b5 type B
Oligo-state
monomer