1AV8

RIBONUCLEOTIDE REDUCTASE R2 SUBUNIT FROM E. COLI

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	RIBONUCLEOTIDE REDUCTASE R2	polymer	340	39603.9	2	UniProt (P69924) Pfam (PF00268) In PDB	Escherichia coli
2	A, B	MU-OXO-DIIRON	non-polymer		127.7	2	Chemie (FEO)
3		water	water		18.0	137	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79207.8
Non-Polymers*	Number of molecules	2
	Total formula weight	255.4
All*	Total formula weight	79463.1

*Water molecules are not included.