2BQ1

Ribonucleotide reductase class 1b holocomplex R1E,R2F from Salmonella typhimurium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (E, F)	RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE 2 ALPHA SUBUNIT	polymer	714	80686.2	2	UniProt (Q08698) Pfam (PF08343) Pfam (PF00317) Pfam (PF02867)	SALMONELLA TYPHIMURIUM	RIBONUCLEOTIDE REDUCTASE 2, R1E PROTEIN
2	C, D (I, J)	RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE 2 BETA SUBUNIT	polymer	319	36263.0	2	UniProt (P17424) Pfam (PF00268)	SALMONELLA TYPHIMURIUM	RIBONUCLEOTIDE REDUCTASE 2, R2F PROTEIN
3	E, G (E, F)	2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (DGT)
4	F, H (E, F)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	I, J, K, L (I, J)	FE (III) ION	non-polymer		55.8	4	Chemie (FE)

Sequence modifications

E, F: 1 - 1 (PDB: 2BQ1)
E, F: 2 - 714 (UniProt: Q08698)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	233898.4
Non-Polymers*	Number of molecules	8
	Total formula weight	1286.4
All*	Total formula weight	235184.8

*Water molecules are not included.