4EQ9

1.4 Angstrom Crystal Structure of ABC Transporter Glutathione-Binding Protein GshT from Streptococcus pneumoniae strain Canada MDR_19A in Complex with Glutathione

• PDB DOI: https://doi.org/10.2210/pdb4EQ9/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Streptococcus pneumoniae str. Canada MDR_19A
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-04-18 Released: 2012-05-02 
• Deposition Author(s): Minasov, G., Wawrzak, Z., Stogios, P.J., Light, S.H., Kudritska, M., Yim, V., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.190 
• R-Value Work: 0.168 
• R-Value Observed: 0.169 

Starting Model: experimental

Literature

1.4 Angstrom Crystal Structure of Putative ABC Transporter Substrate-Binding Protein from Streptococcus pneumoniae strain Canada MDR_19A in Complex with Glutathione.

Minasov, G., Wawrzak, Z., Stogios, P.J., Light, S.H., Kudritska, M., Yim, V., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 28.04 kDa 
• Atom Count: 2,455 
• Modelled Residue Count: 240 
• Deposited Residue Count: 246 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ABC transporter substrate-binding protein-amino acid transport	A	246	Streptococcus pneumoniae str. Canada MDR_19A	Mutation(s): 0  Gene Names: ABC-SBP, spr0146
UniProt
Find proteins for Q8DRG2 (Streptococcus pneumoniae (strain ATCC BAA-255 / R6)) Explore Q8DRG2  Go to UniProtKB:  Q8DRG2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GSH	B [auth A]	GLUTATHIONE C10 H17 N3 O6 S RWSXRVCMGQZWBV-WDSKDSINSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.190 
• R-Value Work: 0.168 
• R-Value Observed: 0.169 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.18430/m34eq9

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.801	α = 90
b = 42.391	β = 94.7
c = 74.248	γ = 90

Software Package:

Software Name	Purpose
Blu-Ice	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-02 
Deposition Author(s): Minasov, G., Wawrzak, Z., Stogios, P.J., Light, S.H., Kudritska, M., Yim, V., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2012-05-02
  Type: Initial release
  
• Version 1.1: 2013-04-24
  Changes: Structure summary
• Version 1.2: 2017-11-15
  Changes: Refinement description
• Version 1.3: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description