2C2W

The fluorinase from Streptomyces cattleya is also a chlorinase. Structure of 5'-chloro-5'-deoxyadenosine crystallised in the fluorinase.

• PDB DOI: https://doi.org/10.2210/pdb2C2W/pdb

• Classification: TRANSFERASE
• Organism(s): Streptantibioticus cattleyicolor
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-09-30 Released: 2005-12-19 
• Deposition Author(s): McEwan, A.R., Naismith, J.H., O'Hagan, D.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.249 
• R-Value Work: 0.196 
• R-Value Observed: 0.198 

Starting Model: experimental

Literature

The fluorinase from Streptomyces cattleya is also a chlorinase.

Deng, H., Cobb, S.L., McEwan, A.R., McGlinchey, R.P., Naismith, J.H., O'Hagan, D., Robinson, D.A., Spencer, J.B.

(2006) Angew Chem Int Ed Engl 45: 759-762

• PubMed: 16370017 
• DOI: https://doi.org/10.1002/anie.200503582
• Primary Citation of Related Structures:  
  2C2W

---

Organizational Affiliation: 

School of Chemistry and Centre for Biomolecular Science, University of St Andrews, St Andrews, KY16 9ST, UK.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content

• Total Structure Weight: 98.31 kDa 
• Atom Count: 7,310 
• Modelled Residue Count: 873 
• Deposited Residue Count: 897 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
5'-FLUORO-5'-DEOXYADENOSINE SYNTHASE	A, B, C	299	Streptantibioticus cattleyicolor	Mutation(s): 0  EC: 2.5.1.63
UniProt
Find proteins for Q70GK9 (Streptantibioticus cattleyicolor) Explore Q70GK9  Go to UniProtKB:  Q70GK9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
5CD	D [auth A], H [auth B], K [auth C]	5'-CHLORO-5'-DEOXYADENOSINE C10 H12 Cl N5 O3 IYSNPOMTKFZDHZ-KQYNXXCUSA-N
CL	E [auth A], F [auth A], G [auth A], I [auth B], J [auth B], L [auth C], M [auth C]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.249 
• R-Value Work: 0.196 
• R-Value Observed: 0.198 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.51	α = 90
b = 129.206	β = 90
c = 183.153	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-12-19 
Deposition Author(s): McEwan, A.R., Naismith, J.H., O'Hagan, D.

Revision History  

• Version 1.0: 2005-12-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2018-03-28
  Changes: Database references, Structure summary
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description