2CFY

Crystal structure of human thioredoxin reductase 1

• PDB DOI: https://doi.org/10.2210/pdb2CFY/pdb

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


• Deposited: 2006-02-26 Released: 2006-03-09 
• Deposition Author(s): Debreczeni, J.E., Johansson, C., Kavanagh, K., Savitsky, P., Sundstrom, M., Arrowsmith, C., Weigelt, J., Edwards, A., von Delft, F., Oppermann, U.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.248 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.203 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.205 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of Human Thioredoxin Reductase 1

Debreczeni, J.E., Johansson, C., Kavanagh, K., Savitsky, P., Sundstrom, M., Arrowsmith, C., Weigelt, J., Edwards, A., von Delft, F., Oppermann, U.

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 PQS (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PQS (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 348.41 kDa 
• Atom Count: 22,479 
• Modelled Residue Count: 2,904 
• Deposited Residue Count: 3,126 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
THIOREDOXIN REDUCTASE 1	A, B, C, D, E, F	521	Homo sapiens	Mutation(s): 0  EC: 1.8.1.9 (PDB Primary Data), 1.11.1.2 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q16881 (Homo sapiens) Explore Q16881  Go to UniProtKB:  Q16881
PHAROS:  Q16881 GTEx:  ENSG00000198431

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.248 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.203 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.205 (Depositor) 

Space Group: P 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 89.756	α = 90
b = 149.651	β = 91.96
c = 146.789	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-03-09 
Deposition Author(s): Debreczeni, J.E., Johansson, C., Kavanagh, K., Savitsky, P., Sundstrom, M., Arrowsmith, C., Weigelt, J., Edwards, A., von Delft, F., Oppermann, U.

Revision History  

• Version 1.0: 2006-03-09
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2018-01-24
  Changes: Database references, Structure summary
• Version 1.3: 2018-02-28
  Changes: Source and taxonomy
• Version 1.4: 2019-05-08
  Changes: Data collection, Experimental preparation
• Version 1.5: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description
• Version 1.6: 2024-11-06
  Changes: Structure summary