4POL

Crystal structures of thioredoxin with mesna at 2.8A resolution

• PDB DOI: https://doi.org/10.2210/pdb4POL/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2014-02-26 Released: 2014-10-29 
• Deposition Author(s): Sridhar, V., Chie-Leon, B., Badger, J., Nienaber, V.L., Hausheer, F.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.312 
• R-Value Work: 0.245 
• R-Value Observed: 0.248 

Starting Model: experimental

Literature

BNP7787 Forms Novel Covalent Adducts on Human Thioredoxin and Modulates Thioredoxin Activity

Parker, A.R., Nienaber, V.L., Petluru, P.N., Sridhar, V., Leverett, B.D., Ayala, P.Y., Zhao, M., Chie-Leon, B., Jair, K., Kochat, H., Badger, J., Hausheer, F.H.

(2014) J Pharmacol Clin Toxicol 2: 1026

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Biological Assembly 5  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 5 generated by PISA (software)

Biological Assembly 6  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 6 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 48.77 kDa 
• Atom Count: 3,313 
• Modelled Residue Count: 424 
• Deposited Residue Count: 436 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thioredoxin	A, B, C, D	109	Homo sapiens	Mutation(s): 4  Gene Names: TXN, TRDX, TRX, TRX1
UniProt & NIH Common Fund Data Resources
Find proteins for P10599 (Homo sapiens) Explore P10599  Go to UniProtKB:  P10599
PHAROS:  P10599 GTEx:  ENSG00000136810

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
COM	E [auth A], F [auth A], G [auth B], H [auth B]	1-THIOETHANESULFONIC ACID C2 H6 O3 S2 ZNEWHQLOPFWXOF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.312 
• R-Value Work: 0.245 
• R-Value Observed: 0.248 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.478	α = 90
b = 57.923	β = 90.34
c = 94.902	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-29 
Deposition Author(s): Sridhar, V., Chie-Leon, B., Badger, J., Nienaber, V.L., Hausheer, F.H.

Revision History  

• Version 1.0: 2014-10-29
  Type: Initial release
  
• Version 1.1: 2015-03-18
  Changes: Structure summary
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.3: 2024-11-27
  Changes: Structure summary