7PKA | pdb_00007pka

Synechocystis sp. PCC6803 glutathione transferase Chi 1, GSOH bound

• PDB DOI: https://doi.org/10.2210/pdb7PKA/pdb

• Classification: TRANSFERASE
• Organism(s): Synechocystis sp. PCC 6803
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-08-25 Released: 2022-09-07 
• Deposition Author(s): Didierjean, C., Mocchetti, E., Hecker, A., Favier, F.
• Funding Organization(s): Centre National de la Recherche Scientifique (CNRS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free: 
  0.232 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.216 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.217 (Depositor) 

Starting Model: experimental

Literature

Structure and functions of glutathione transferase Chi 1 from cyanobacterium Synechocystis sp. PCC 6803

Mocchetti, E., Hecker, A., Mathiot, S., Favier, F., Cassier-Chauvat, C., Chauvat, F., Didierjean, C.

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 Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 43.62 kDa 
• Atom Count: 3,302 
• Modeled Residue Count: 366 
• Deposited Residue Count: 384 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutathione S-transferase	A, B	192	Synechocystis sp. PCC 6803	Mutation(s): 0  Gene Names: gst
UniProt
Find proteins for Q55139 (Synechocystis sp. (strain ATCC 27184 / PCC 6803 / Kazusa)) Explore Q55139  Go to UniProtKB:  Q55139

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GS8	C [auth A], E [auth B]	S-Hydroxy-Glutathione C10 H17 N3 O7 S PFXSQLOWBQWLCX-WDSKDSINSA-N
K	D [auth A]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.16 Å
• R-Value Free:  0.232 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.216 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.217 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.613	α = 90
b = 92.613	β = 90
c = 193.561	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
XDS	data reduction
Aimless	data scaling
MoRDa	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-09-07 
Deposition Author(s): Didierjean, C., Mocchetti, E., Hecker, A., Favier, F.

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Funding Organization	Location	Grant Number
Centre National de la Recherche Scientifique (CNRS)	France	--

Revision History  

• Version 1.0: 2022-09-07
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description