2I71

Crystal structure of a Conserved Protein of Unknown Function from Sulfolobus solfataricus P2

• PDB DOI: https://doi.org/10.2210/pdb2I71/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Saccharolobus solfataricus P2
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2006-08-30 Released: 2006-10-03 
• Deposition Author(s): Tan, K., Skarina, T., Onopriyenko, O., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.227 (Depositor), 0.226 (DCC) 
• R-Value Work: 
  0.181 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.183 (Depositor) 

Literature

The crystal structure of a Conserved hypothetical protein from Sulfolobus solfataricus P2

Tan, K., Skarina, T., Onopriyenko, O., Savchenko, A., Edwards, A., 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: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 91.74 kDa 
• Atom Count: 6,785 
• Modelled Residue Count: 747 
• Deposited Residue Count: 800 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein	A, B	400	Saccharolobus solfataricus P2	Mutation(s): 5  Gene Names: SSO1389 EC: 3.1
UniProt
Find proteins for Q97YD5 (Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)) Explore Q97YD5  Go to UniProtKB:  Q97YD5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A], D [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

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: 1.70 Å
• R-Value Free:  0.227 (Depositor), 0.226 (DCC) 
• R-Value Work:  0.181 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.183 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.849	α = 90
b = 84.918	β = 90
c = 108.513	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-03 
Deposition Author(s): Tan, K., Skarina, T., Onopriyenko, O., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-10-03
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary