4QFH | pdb_00004qfh

Structure of a glucose-6-phosphate isomerase from Trypanosoma cruzi

• PDB DOI: https://doi.org/10.2210/pdb4QFH/pdb

• Classification: ISOMERASE
• Organism(s): Trypanosoma cruzi
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2014-05-21 Released: 2014-06-18 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.174 (Depositor), 0.170 (DCC) 
• R-Value Work: 
  0.139 (Depositor), 0.140 (DCC) 
• R-Value Observed: 
  0.141 (Depositor) 

Starting Model: experimental

Literature

Structure of a glucose-6-phosphate isomerase from Trypanosoma cruzi

Seattle Structural Genomics Center for Infectious Disease (SSGCID), Abendroth, J., Lucaks, C., Lorimer, D., Edwards, T.E.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 139.48 kDa 
• Atom Count: 10,823 
• Modeled Residue Count: 1,221 
• Deposited Residue Count: 1,232 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucose-6-phosphate isomerase	A, B	616	Trypanosoma cruzi	Mutation(s): 0  Gene Names: Tc00.1047053506529.508, TcC31.19 EC: 5.3.1.9
UniProt
Find proteins for Q4E5N1 (Trypanosoma cruzi (strain CL Brener)) Explore Q4E5N1  Go to UniProtKB:  Q4E5N1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
G6P	C [auth A], D [auth B]	6-O-phosphono-alpha-D-glucopyranose C6 H13 O9 P NBSCHQHZLSJFNQ-DVKNGEFBSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.174 (Depositor), 0.170 (DCC) 
• R-Value Work:  0.139 (Depositor), 0.140 (DCC) 
• R-Value Observed: 0.141 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M34QFH

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.84	α = 90
b = 127.03	β = 109.74
c = 72.4	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-06-18 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2014-06-18
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Refinement description
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.3: 2023-09-20
  Changes: Data collection, Database references, Refinement description, Structure summary