1PX7

A folding mutant of human class pi glutathione transferase, created by mutating aspartate 153 of the wild-type protein to glutamate

• PDB DOI: https://doi.org/10.2210/pdb1PX7/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2003-07-02 Released: 2003-07-22 
• Deposition Author(s): Kong, G.K.-W., Polekhina, G., McKinstry, W.J., Parker, M.W., Dragani, B., Aceto, A., Paludi, D., Principe, D.R., Mannervik, B., Stenberg, G.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.218 
• R-Value Work: 0.177 
• R-Value Observed: 0.177 

Starting Model: experimental

Literature

The multi-functional role of a highly conserved aspartic acid residue in glutathione transferase P1-1

Kong, G.K.-W., Polekhina, G., McKinstry, W.J., Parker, M.W., Dragani, B., Aceto, A., Paludi, D., Principe, D.R., Mannervik, B., Stenberg, G.

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: 47.57 kDa 
• Atom Count: 3,754 
• Modelled Residue Count: 417 
• Deposited Residue Count: 418 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutathione S-transferase P	A, B	209	Homo sapiens	Mutation(s): 1  EC: 2.5.1.18
UniProt & NIH Common Fund Data Resources
Find proteins for P09211 (Homo sapiens) Explore P09211  Go to UniProtKB:  P09211
PHAROS:  P09211 GTEx:  ENSG00000084207

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GSH	D [auth A], G [auth B]	GLUTATHIONE C10 H17 N3 O6 S RWSXRVCMGQZWBV-WDSKDSINSA-N
MES	C [auth A], F [auth B]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
CA	E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.03 Å
• R-Value Free: 0.218 
• R-Value Work: 0.177 
• R-Value Observed: 0.177 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.75	α = 90
b = 89.33	β = 97.88
c = 68.79	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
MAR345	data collection
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-07-22 
Deposition Author(s): Kong, G.K.-W., Polekhina, G., McKinstry, W.J., Parker, M.W., Dragani, B., Aceto, A., Paludi, D., Principe, D.R., Mannervik, B., Stenberg, G.

Revision History  

• Version 1.0: 2003-07-22
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2021-11-10
  Changes: Database references, Derived calculations
• Version 1.5: 2023-10-25
  Changes: Data collection, Refinement description