1Q77

X-ray crystal structure of putative Universal Stress Protein from Aquifex aeolicus

• PDB DOI: https://doi.org/10.2210/pdb1Q77/pdb

• Classification: Structural genomics, unknown function
• Organism(s): Aquifex aeolicus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2003-08-16 Released: 2003-11-18 
• Deposition Author(s): Osipiuk, J., Zhou, M., Moy, S., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.257 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.220 (Depositor), 0.215 (DCC) 
• R-Value Observed: 
  0.220 (Depositor) 

Literature

Structural homolog of Universal Stress Protein from Aquifex aeolicus

Osipiuk, J., Zhou, M., Moy, S., Collart, F., 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 (software)

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 31.32 kDa 
• Atom Count: 2,227 
• Modelled Residue Count: 276 
• Deposited Residue Count: 276 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein AQ_178	A, B	138	Aquifex aeolicus	Mutation(s): 1  Gene Names: aq_178
UniProt
Find proteins for O66565 (Aquifex aeolicus (strain VF5)) Explore O66565  Go to UniProtKB:  O66565

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.257 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.220 (Depositor), 0.215 (DCC) 
• R-Value Observed: 0.220 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.375	α = 90
b = 94.375	β = 90
c = 134.542	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-18 
Deposition Author(s): Osipiuk, J., Zhou, M., Moy, S., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2003-11-18
  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: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary