1RLH | pdb_00001rlh

Structure of a conserved protein from Thermoplasma acidophilum

• PDB DOI: https://doi.org/10.2210/pdb1RLH/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Thermoplasma acidophilum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2003-11-25 Released: 2004-05-04 
• Deposition Author(s): Cuff, M.E., Xu, X., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.208 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.179 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.196 (Depositor) 

Literature

Structure of a conserved protein from T. acidophilum

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

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content 

• Total Structure Weight: 19.14 kDa 
• Atom Count: 1,398 
• Modeled Residue Count: 151 
• Deposited Residue Count: 173 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
conserved hypothetical protein	A	173	Thermoplasma acidophilum	Mutation(s): 0  Gene Names: CAC12474
UniProt
Find proteins for Q9HII6 (Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)) Explore Q9HII6  Go to UniProtKB:  Q9HII6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	B [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.208 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.179 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.196 (Depositor) 

Space Group: P 6₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74.329	α = 90
b = 74.329	β = 90
c = 50.84	γ = 120

Software Package:

Software Name	Purpose
d*TREK	data scaling
HKL-2000	data collection
HKL-2000	data reduction
SHARP	phasing
MOLREP	phasing
CNS	refinement
d*TREK	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-05-04 
Deposition Author(s): Cuff, M.E., Xu, X., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2004-05-04
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2024-02-14
  Changes: Data collection, Database references, Derived calculations