2C40

CRYSTAL STRUCTURE OF INOSINE-URIDINE PREFERRING NUCLEOSIDE HYDROLASE FROM BACILLUS ANTHRACIS AT 2.2A RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb2C40/pdb

• Classification: HYDROLASE
• Organism(s): Bacillus anthracis str. Ames
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-10-13 Released: 2007-02-27 
• Deposition Author(s): Moroz, O.V., Blagova, E.V., Fogg, M.J., Levdikov, V.M., Brannigan, J.A., Wilkinson, A.J., Wilson, K.S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.242 
• R-Value Work: 0.205 
• R-Value Observed: 0.207 

Starting Model: experimental

Literature

Crystal Structure of Inosine-Uridine Preferring Nucleoside Hydrolase from Bacillus Anthracis at 2.2A Resolution

Moroz, O.V., Blagova, E.V., Fogg, M.J., Levdikov, V.M., Brannigan, J.A., Wilkinson, A.J., Wilson, K.S.

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 PQS (software)

Macromolecule Content

• Total Structure Weight: 70.91 kDa 
• Atom Count: 4,867 
• Modelled Residue Count: 602 
• Deposited Residue Count: 624 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
INOSINE-URIDINE PREFERRING NUCLEOSIDE HYDROLASE FAMILY PROTEIN	A, B	312	Bacillus anthracis str. Ames	Mutation(s): 0  EC: 3.2.2.1
UniProt
Find proteins for Q81QM4 (Bacillus anthracis) Explore Q81QM4  Go to UniProtKB:  Q81QM4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
RIB	D [auth A], F [auth B]	alpha-D-ribofuranose C5 H10 O5 HMFHBZSHGGEWLO-AIHAYLRMSA-N
CA	C [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.242 
• R-Value Work: 0.205 
• R-Value Observed: 0.207 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.154	α = 90
b = 78.154	β = 90
c = 203.626	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-02-27 
Deposition Author(s): Moroz, O.V., Blagova, E.V., Fogg, M.J., Levdikov, V.M., Brannigan, J.A., Wilkinson, A.J., Wilson, K.S.

Revision History  

• Version 1.0: 2007-02-27
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Other, Structure summary
• Version 2.1: 2023-12-13
  Changes: Data collection, Database references, Refinement description, Structure summary