4BMR

Crystal Structure of Ribonucleotide Reductase apo-NrdF from Bacillus cereus (space group 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	RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE SUBUNIT BETA	polymer	322	37053.0	2	UniProt (Q81G55) Pfam (PF00268) In PDB	BACILLUS CEREUS	RIBONUCLEOTIDE REDUCTASE NRDF
2	A, B	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
3		water	water		18.0	145	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	74106.0
Non-Polymers*	Number of molecules	2
	Total formula weight	111.7
All*	Total formula weight	74217.7

*Water molecules are not included.