5VHU | pdb_00005vhu

E. coli CFT073 c3406

• PDB DOI: https://doi.org/10.2210/pdb5VHU/pdb

• Classification: ISOMERASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2017-04-13 Released: 2018-04-18 
• Deposition Author(s): Cech, D.L., Pratt, A.C., Woodard, R.W.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.208 (Depositor), 0.208 (DCC) 
• R-Value Work: 
  0.174 (Depositor), 0.173 (DCC) 
• R-Value Observed: 
  0.175 (Depositor) 

Starting Model: experimental

Literature

Insights into the mechanism of arabinose-5-phosphate isomerases.

Cech, D.L., Pratt, A.C., Cheng, M., Barraza, S., Yep, A., Holler, T.P., Woodard, R.W.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly Evidence: assay for oligomerization

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: 21.01 kDa 
• Atom Count: 1,495 
• Modeled Residue Count: 188 
• Deposited Residue Count: 198 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Isomerase	A	198	Escherichia coli	Mutation(s): 0  Gene Names: OK10_20845

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.208 (Depositor), 0.208 (DCC) 
• R-Value Work:  0.174 (Depositor), 0.173 (DCC) 
• R-Value Observed: 0.175 (Depositor) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.832	α = 90
b = 71.489	β = 90
c = 77.234	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2018-04-18 
Deposition Author(s): Cech, D.L., Pratt, A.C., Woodard, R.W.

Revision History  

• Version 1.0: 2018-04-18
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Data collection, Database references, Refinement description