2AB6

HUMAN GLUTATHIONE S-TRANSFERASE M2-2 (E.C.2.5.1.18) complexed with S-METHYLGLUTATHIONE

• PDB DOI: https://doi.org/10.2210/pdb2AB6/pdb

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


• Deposited: 2005-07-14 Released: 2005-08-02 
• Deposition Author(s): Patskovsky, Y., Almo, S.C., Listowsky, I.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.280 
• R-Value Work: 0.229 
• R-Value Observed: 0.230 

Starting Model: experimental

Literature

Structural Perturbations in the Active Site of Human Glutathione-S-Transferase M2-2 Upon Ligand Binding

Patskovsky, Y., Patskovska, L., Almo, S.C., Listowsky, I.

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)

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: 103.87 kDa 
• Atom Count: 7,515 
• Modelled Residue Count: 868 
• Deposited Residue Count: 868 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutathione S-transferase Mu 2	A, B, C, D	217	Homo sapiens	Mutation(s): 0  Gene Names: GSTM2, GST4 EC: 2.5.1.18
UniProt & NIH Common Fund Data Resources
Find proteins for P28161 (Homo sapiens) Explore P28161  Go to UniProtKB:  P28161
PHAROS:  P28161 GTEx:  ENSG00000213366

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GSM	E [auth A], F [auth B], G [auth C], H [auth D]	L-GAMMA-GLUTAMYL-S-METHYLCYSTEINYLGLYCINE C11 H19 N3 O6 S QTQDDTSVRVWHMO-BQBZGAKWSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.280 
• R-Value Work: 0.229 
• R-Value Observed: 0.230 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.12	α = 90
b = 76.716	β = 90
c = 212.449	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
CCP4	model building
REFMAC	refinement
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-08-02 
Deposition Author(s): Patskovsky, Y., Almo, S.C., Listowsky, I.

Revision History  

• Version 1.0: 2005-08-02
  Type: Initial release
  
• Version 1.1: 2008-04-30
  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: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description