7JYP

Structure of thioredoxin reductase from the thermophilic eubacterium Thermosipho africanus TCF52B

• PDB DOI: https://doi.org/10.2210/pdb7JYP/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Thermosipho africanus TCF52B
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-08-31 Released: 2021-10-06 
• Deposition Author(s): Sahtout, N., Kuttiyatveetil, J.R.A., Sanders, D.A.R.
• Funding Organization(s): Natural Sciences and Engineering Research Council (NSERC, Canada)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.245 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 

Literature

Structure of thioredoxin reductase from the thermophilic eubacterium Thermosipho africanus TCF52B.

Sahtout, N., Kuttiyatveetil, J.R.A., Sanders, D.A.R.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 38.89 kDa 
• Atom Count: 2,472 
• Modelled Residue Count: 305 
• Deposited Residue Count: 343 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thioredoxin reductase	A	343	Thermosipho africanus TCF52B	Mutation(s): 0  Gene Names: trxB, THA_1385 EC: 1.8.1.9
UniProt
Find proteins for B7ICV3 (Thermosipho africanus (strain TCF52B)) Explore B7ICV3  Go to UniProtKB:  B7ICV3

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	B [auth A]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
NAD	C [auth A]	NICOTINAMIDE-ADENINE-DINUCLEOTIDE C21 H27 N7 O14 P2 BAWFJGJZGIEFAR-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.245 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.15	α = 90
b = 58.15	β = 90
c = 163.13	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
AutoSol	phasing
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-10-06 
Deposition Author(s): Sahtout, N., Kuttiyatveetil, J.R.A., Sanders, D.A.R.

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Funding Organization	Location	Grant Number
Natural Sciences and Engineering Research Council (NSERC, Canada)	Canada	--

Revision History  

• Version 1.0: 2021-10-06
  Type: Initial release
  
• Version 1.1: 2024-11-13
  Changes: Data collection, Structure summary