7RZB | pdb_00007rzb

BrxA from Staphylococcus aureus with bacillithiol mixed disulfide

• PDB DOI: https://doi.org/10.2210/pdb7RZB/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Staphylococcus aureus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-08-27 Released: 2022-04-13 
• Deposition Author(s): Cook, P.D., McHugh, C.S.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 
  0.224 (Depositor), 0.224 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.197 (DCC) 
• R-Value Observed: 
  0.198 (Depositor) 

Starting Model: experimental

Literature

Structure of BrxA from Staphylococcus aureus, a bacilliredoxin involved in redox homeostasis in Firmicutes.

McHugh, C.S., Cook, P.D.

(2022) Acta Crystallogr F Struct Biol Commun 78: 144-149

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: 16.77 kDa 
• Atom Count: 1,224 
• Modeled Residue Count: 138 
• Deposited Residue Count: 147 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bacillithiol system oxidoreductase, YphP/YqiW family	A	147	Staphylococcus aureus	Mutation(s): 0  Gene Names: A2U18_07020, C7P97_04720, CSC83_09870, CSC87_03980, GF559_09020, HU771_05980, SAMEA70245418_01058
UniProt
Find proteins for A0A229LVN5 (Staphylococcus aureus) Explore A0A229LVN5  Go to UniProtKB:  A0A229LVN5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
G5M (Subject of Investigation/LOI)	B [auth A]	(2S)-2-{[2-(L-cysteinylamino)-2-deoxy-alpha-D-glucopyranosyl]oxy}butanedioic acid C13 H22 N2 O10 S UHNHELGKNQMNGF-AOQKXWSCSA-N
PO4	C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free:  0.224 (Depositor), 0.224 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.197 (DCC) 
• R-Value Observed: 0.198 (Depositor) 

Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.882	α = 90
b = 84.882	β = 90
c = 41.037	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
xia2	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-04-13 
Deposition Author(s): Cook, P.D., McHugh, C.S.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R15GM117488

Revision History  

• Version 1.0: 2022-04-13
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description
• Version 1.2: 2024-11-20
  Changes: Structure summary