1YB2 | pdb_00001yb2

Structure of a putative methyltransferase from Thermoplasma acidophilum.

• PDB DOI: https://doi.org/10.2210/pdb1YB2/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Thermoplasma acidophilum DSM 1728
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2004-12-18 Released: 2005-02-01 
• Deposition Author(s): Cuff, M.E., Xu, X., Edwards, A., Savchenko, A., Sanishvili, R., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.01 Å
• R-Value Free: 
  0.247 (Depositor), 0.248 (DCC) 
• R-Value Work: 
  0.199 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.201 (Depositor) 

Literature

Structure of a putative methyltransferase from Thermoplasma acidophilum.

Cuff, M.E., Xu, X., Edwards, A., Savchenko, A., Sanishvili, R., Joachimiak, A.

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 PISA,PQS (software)

Macromolecule Content 

• Total Structure Weight: 31.19 kDa 
• Atom Count: 1,918 
• Modeled Residue Count: 230 
• Deposited Residue Count: 275 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein Ta0852	A	275	Thermoplasma acidophilum DSM 1728	Mutation(s): 11  Gene Names: Ta0852
UniProt
Find proteins for Q9HJW1 (Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)) Explore Q9HJW1  Go to UniProtKB:  Q9HJW1

Small Molecules

Modified Residues  1 Unique
ID	Chains	Modified Residue	Modification Type	Formula	2D Diagram
MSE	A	MET	Selenomethionine	C5 H11 N O2 Se

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.01 Å
• R-Value Free:  0.247 (Depositor), 0.248 (DCC) 
• R-Value Work:  0.199 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.201 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.316	α = 90
b = 60.557	β = 105.12
c = 65.841	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-02-01 
Deposition Author(s): Cuff, M.E., Xu, X., Edwards, A., Savchenko, A., Sanishvili, R., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-02-01
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary