2UW2

Crystal structure of human ribonucleotide reductase subunit R2

Replaces:  2IYH

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 M2 SUBUNIT	polymer	332	38693.3	1	UniProt (P31350) Pfam (PF00268) In PDB	HOMO SAPIENS (HUMAN)	RIBONUCLEOTIDE REDUCTASE SMALL SUBUNIT, RIBONUCLEOTIDE REDUCTASE SMALL CHAIN, RIBONUCLEOTIDE REDUCTASE SUBUNIT R2
2	A	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
3		water	water		18.0	6	Chemie (HOH)

Sequence modifications

A: 58 - 59 (PDB: 2UW2)
A: 60 - 389 (UniProt: P31350)

PDB	External Database	Details
Pro 251	Leu 251	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	38693.3
Non-Polymers*	Number of molecules	1
	Total formula weight	55.8
All*	Total formula weight	38749.1

*Water molecules are not included.