3QI8

Evolved variant of cytochrome P450 (BM3, CYP102A1)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, A	Evolved Cytochrome P450 variant (22A3)	polymer	472	54157.8	2		Bacillus megaterium
2	B, A	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	108315.5
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	109548.5

*Water molecules are not included.