1Q7H

Structure of a Conserved PUA Domain Protein from Thermoplasma acidophilum

• PDB DOI: https://doi.org/10.2210/pdb1Q7H/pdb

• Classification: Structural genomics, unknown function
• Organism(s): Thermoplasma acidophilum DSM 1728
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2003-08-18 Released: 2004-01-20 
• Deposition Author(s): Cuff, M.E., Xu, X., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.228 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 

Literature

Structure of a conserved hypothetical 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 and generated by PQS (software)

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 17.3 kDa 
• Atom Count: 1,344 
• Modelled Residue Count: 151 
• Deposited Residue Count: 153 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
conserved hypothetical protein	A	153	Thermoplasma acidophilum DSM 1728	Mutation(s): 8  Gene Names: Ta1423
UniProt
Find proteins for Q9HIB8 (Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165)) Explore Q9HIB8  Go to UniProtKB:  Q9HIB8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	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: 0.228 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.228	α = 90
b = 58.158	β = 90
c = 112.218	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
d*TREK	data scaling
SCALEPACK	data scaling
SOLVE	phasing
autoSHARP	phasing
CNS	refinement
HKL-2000	data reduction
d*TREK	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-01-20 
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: 2004-01-20
  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: 2011-11-16
  Changes: Atomic model
• Version 1.4: 2017-10-11
  Changes: Refinement description
• Version 1.5: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary