2WIV

Cytochrome-P450 XplA heme domain P21

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-LIKE PROTEIN XPLA	polymer	394	43626.2	2	UniProt (Q8GPH7) Pfam (PF00067) In PDB	RHODOCOCCUS	XPLA-HEME
2	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3		water	water		18.0	486	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87252.3
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	88485.3

*Water molecules are not included.