4KF2

Structure of the P4509 BM3 A82F F87V heme domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Bifunctional P-450/NADPH-P450 reductase	polymer	457	52311.6	2	UniProt (P14779) Pfam (PF00067)	Bacillus megaterium	Cytochrome P450(BM-3), Cytochrome P450BM-3, Cytochrome P450 102, NADPH--cytochrome P450 reductase
2	C, E (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, F (A, B)	IMIDAZOLE	non-polymer		69.1	2	Chemie (IMD)
4	G, H (A, B)	water	water		18.0	824	Chemie (HOH)

Sequence modifications

A, B: 1 - 457 (UniProt: P14779)

PDB	External Database	Details
Phe 82	Ala 83	engineered mutation
Val 87	Phe 88	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	104623.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1371.1
All*	Total formula weight	105994.4

*Water molecules are not included.