7MMW

Crystal Structure of the Class Ie Ribonucleotide Reductase Beta Subunit from Aerococcus urinae (in alternate conformation)

• PDB DOI: https://doi.org/10.2210/pdb7MMW/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Aerococcus sp. Group 1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-04-30 Released: 2022-05-04 
• Deposition Author(s): Palowitch, G.M., Boal, A.K.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.198 
• R-Value Work: 0.173 
• R-Value Observed: 0.174 

Literature

Ribonucleotide Reductase

Palowitch, G.M., Boal, A.K.

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 Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 78.72 kDa 
• Atom Count: 5,721 
• Modelled Residue Count: 628 
• Deposited Residue Count: 684 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonucleoside-diphosphate reductase	A, B	342	Aerococcus sp. Group 1	Mutation(s): 0  Gene Names: HMPREF9243_0731 EC: 1.17.4.1
UniProt
Find proteins for F2I8X9 (Aerococcus urinae (strain CCUG 59500 / ACS-120-V-Col10a)) Explore F2I8X9  Go to UniProtKB:  F2I8X9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A], D [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.198 
• R-Value Work: 0.173 
• R-Value Observed: 0.174 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.375	α = 109.4
b = 52.876	β = 106.41
c = 74.534	γ = 91.47

Software Package:

Software Name	Purpose
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-05-04 
Deposition Author(s): Palowitch, G.M., Boal, A.K.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History  

• Version 1.0: 2022-05-04
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description