3OLJ

Crystal structure of human ribonucleotide reductase subunit M2 (hRRM2)

• PDB DOI: https://doi.org/10.2210/pdb3OLJ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-08-26 Released: 2011-08-31 
• Deposition Author(s): Chen, X.H., Xu, Z.J., Chen, B.E., Jiang, H.J., Yang, C.G., Zhu, W.L., Shao, J.M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.237 
• R-Value Work: 0.199 
• R-Value Observed: 0.201 

Literature

hRRM2

Chen, X.H., Xu, Z.J., Chen, B.E., Jiang, H.J., Yang, C.G., Zhu, W.L., Shao, J.M.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 134.57 kDa 
• Atom Count: 10,186 
• Modelled Residue Count: 1,144 
• Deposited Residue Count: 1,144 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonucleoside-diphosphate reductase subunit M2	A, B, C, D	286	Homo sapiens	Mutation(s): 0  Gene Names: RRM2, RR2 EC: 1.17.4.1
UniProt & NIH Common Fund Data Resources
Find proteins for P31350 (Homo sapiens) Explore P31350  Go to UniProtKB:  P31350
PHAROS:  P31350 GTEx:  ENSG00000171848

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	E [auth A], F [auth B], G [auth C], H [auth D]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.237 
• R-Value Work: 0.199 
• R-Value Observed: 0.201 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 109.908	α = 90
b = 109.725	β = 90
c = 174.056	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
PHASES	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-31 
Deposition Author(s): Chen, X.H., Xu, Z.J., Chen, B.E., Jiang, H.J., Yang, C.G., Zhu, W.L., Shao, J.M.

Revision History  

• Version 1.0: 2011-08-31
  Type: Initial release
  
• Version 1.1: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description