2IJ2

Atomic structure of the heme domain of flavocytochrome P450-BM3

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Cytochrome P450 BM3	polymer	470	53639.1	2	UniProt (P14779) Pfam (PF00067) In PDB	Bacillus megaterium
2	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3		water	water		18.0	1604	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	107278.2
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	108511.2

*Water molecules are not included.