3Q7I

Glucose-6-phosphate isomerase from Francisella tularensis complexed with 6-phosphogluconic acid.

• PDB DOI: https://doi.org/10.2210/pdb3Q7I/pdb

• Classification: ISOMERASE
• Organism(s): Francisella tularensis subsp. tularensis SCHU S4
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-01-04 Released: 2011-02-02 
• Deposition Author(s): Osipiuk, J., Maltseva, N., Hasseman, J., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.171 
• R-Value Work: 0.144 
• R-Value Observed: 0.146 

Starting Model: experimental

Literature

Glucose-6-phosphate isomerase from Francisella tularensis.

Osipiuk, J., Maltseva, N., Hasseman, J., Anderson, W.F., Joachimiak, A.

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)

Macromolecule Content

• Total Structure Weight: 62.33 kDa 
• Atom Count: 5,257 
• Modelled Residue Count: 541 
• Deposited Residue Count: 543 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucose-6-phosphate isomerase	A	543	Francisella tularensis subsp. tularensis SCHU S4	Mutation(s): 1  Gene Names: FTT_1315c, pgi EC: 5.3.1.9
UniProt
Find proteins for Q5NFC4 (Francisella tularensis subsp. tularensis (strain SCHU S4 / Schu 4)) Explore Q5NFC4  Go to UniProtKB:  Q5NFC4

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
6PG	B [auth A]	6-PHOSPHOGLUCONIC ACID C6 H13 O10 P BIRSGZKFKXLSJQ-SQOUGZDYSA-N
MES	C [auth A], D [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
PO4	E [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
IPA	F [auth A]	ISOPROPYL ALCOHOL C3 H8 O KFZMGEQAYNKOFK-UHFFFAOYSA-N
CA	G [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.54 Å
• R-Value Free: 0.171 
• R-Value Work: 0.144 
• R-Value Observed: 0.146 
• Space Group: P 3₂ 2 1
• Diffraction Data: https://doi.org/10.18430/m33q7i

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 114.439	α = 90
b = 114.439	β = 90
c = 84.319	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-02-02 
Deposition Author(s): Osipiuk, J., Maltseva, N., Hasseman, J., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2011-02-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-10-30
  Changes: Structure summary