1OU0 | pdb_00001ou0

precorrin-8X methylmutase related protein

• PDB DOI: https://doi.org/10.2210/pdb1OU0/pdb

• Classification: ISOMERASE
• Organism(s): Thermoplasma acidophilum DSM 1728
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2003-03-24 Released: 2003-10-07 
• Deposition Author(s): Cuff, M.E., Joachimiak, A., Korolev, S., Savchenko, A., Edwards, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.235 (Depositor), 0.234 (DCC) 
• R-Value Work: 
  0.202 (Depositor), 0.202 (DCC) 
• R-Value Observed: 
  0.203 (Depositor) 

Literature

Crystal structure of a predicted precorrin-8x methylmutase from Thermoplasma acidophilum.

Cuff, M.E., Miller, D.J., Korolev, S., Xu, X., Anderson, W.F., Edwards, A., Joachimiak, A., Savchenko, A.

(2004) Proteins 58: 751-754

• PubMed: 15609338 
• DOI: https://doi.org/10.1002/prot.20022
• Primary Citation of Related Structures:  
  1OU0

---

Organizational Affiliation: 

Biosciences Division, Structural Biology Center, Argonne National Laboratory, Argonne, Illinois 60439, USA.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 91.38 kDa 
• Atom Count: 6,434 
• Modelled Residue Count: 765 
• Deposited Residue Count: 828 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
precorrin-8X methylmutase related protein	A, B, C, D	207	Thermoplasma acidophilum DSM 1728	Mutation(s): 9  Gene Names: Ta0654 EC: 5.4.1.2
UniProt
Find proteins for Q9HKE7 (Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)) Explore Q9HKE7  Go to UniProtKB:  Q9HKE7

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.235 (Depositor), 0.234 (DCC) 
• R-Value Work:  0.202 (Depositor), 0.202 (DCC) 
• R-Value Observed: 0.203 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.45	α = 90
b = 86.82	β = 90
c = 120.9	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
d*TREK	data reduction
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-10-07 
Deposition Author(s): Cuff, M.E., Joachimiak, A., Korolev, S., Savchenko, A., Edwards, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2003-10-07
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary