Multiple Assemblies exist for SMTL entry 3r1a
Closed crystal structure of cytochrome P450 2B4 covalently bound to the mechanism-based inactivator tert-butylphenylacetylene; X-RAY DIFFRACTION 3.50 Å

	SMTL ID 3r1a.1 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer
	SMTL ID 3r1a.2 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer
	SMTL ID 3r1a.3 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer
	SMTL ID 3r1a.4 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer
	SMTL ID 3r1a.5 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer
	SMTL ID 3r1a.6 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer
	SMTL ID 3r1a.7 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer
	SMTL ID 3r1a.8 Ligands PROTOPORPHYRIN IX CONTAINING FE; (4-tert-butylphenyl)acetaldehyde Polypeptides Cytochrome P450 2B4 Oligo-state monomer