3LN6

Crystal structure of a bifunctional glutathione synthetase from Streptococcus agalactiae

• PDB DOI: https://doi.org/10.2210/pdb3LN6/pdb

• Classification: LIGASE
• Organism(s): Streptococcus agalactiae serogroup V
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-02-02 Released: 2011-04-13 
• Deposition Author(s): Stout, J., Vergauwen, B., Savvides, S.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.286 
• R-Value Work: 0.253 

Starting Models: experimental

Literature

Structures of two bifunctional gamma-Glutamate-cysteine Ligase/Glutathione synthetases (GshF) reveal a novel hybrid ATP-grasp fold

Stout, J., De Vos, D., Vergauwen, B., Savvides, S.N.

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: 85.79 kDa 
• Atom Count: 5,533 
• Modelled Residue Count: 743 
• Deposited Residue Count: 750 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glutathione biosynthesis bifunctional protein gshAB	A	750	Streptococcus agalactiae serogroup V	Mutation(s): 0  Gene Names: gshAB, gshF, SAG1821 EC: 6.3.2.2 (PDB Primary Data), 6.3.2.3 (PDB Primary Data)
UniProt
Find proteins for Q8DXM9 (Streptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R)) Explore Q8DXM9  Go to UniProtKB:  Q8DXM9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.95 Å
• R-Value Free: 0.286 
• R-Value Work: 0.253 
• Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 143.02	α = 90
b = 143.02	β = 90
c = 211.23	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data processing
SOLVE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-04-13 
Deposition Author(s): Stout, J., Vergauwen, B., Savvides, S.N.

Revision History  

• Version 1.0: 2011-04-13
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description