7AI8

Structure of Ribonucleotide reductase R2 from Escherichia coli collected by still serial crystallography on a COC membrane at a synchrotron source

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Ribonucleoside-diphosphate reductase 1 subunit beta	polymer	376	43558.1	1	UniProt (P69924) Pfam (PF00268) In PDB	Escherichia coli (strain K12)	Protein B2,Protein R2,Ribonucleotide reductase 1
2	A	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
3		water	water		18.0	103	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	43558.1
Non-Polymers*	Number of molecules	2
	Total formula weight	111.7
All*	Total formula weight	43669.7

*Water molecules are not included.