4QEZ

Crystal structure of 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase from Bacillus anthracis

• PDB DOI: https://doi.org/10.2210/pdb4QEZ/pdb

• Classification: HYDROLASE
• Organism(s): Bacillus anthracis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-05-19 Released: 2014-06-18 
• Deposition Author(s): Tarique, K.F., Devi, S., Abdul Rehman, S.A., Gourinath, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.271 
• R-Value Work: 0.241 
• R-Value Observed: 0.243 

Literature

Crystal structure of 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase from Bacillus anthracis

Tarique, K.F., Devi, S., Abdul Rehman, S.A., Gourinath, 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 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: 79.83 kDa 
• Atom Count: 5,319 
• Modelled Residue Count: 685 
• Deposited Residue Count: 717 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase	A [auth B], B [auth A], C	239	Bacillus anthracis	Mutation(s): 0  Gene Names: mtnN, BA_4602, GBAA_4602, BAS4270 EC: 3.2.2.9
UniProt
Find proteins for Q81LL4 (Bacillus anthracis) Explore Q81LL4  Go to UniProtKB:  Q81LL4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADE	D [auth B], F [auth A], I [auth C]	ADENINE C5 H5 N5 GFFGJBXGBJISGV-UHFFFAOYSA-N
TRS	E [auth B], G [auth A], H [auth C]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.271 
• R-Value Work: 0.241 
• R-Value Observed: 0.243 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 181.269	α = 90
b = 74.635	β = 95.26
c = 46.688	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-06-18 
Deposition Author(s): Tarique, K.F., Devi, S., Abdul Rehman, S.A., Gourinath, S.

Revision History  

• Version 1.0: 2014-06-18
  Type: Initial release
  
• Version 1.1: 2018-02-07
  Changes: Experimental preparation
• Version 1.2: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description