2QS7 | pdb_00002qs7

CRYSTAL STRUCTURE OF a putative oxidoreductase of the DsrE/DsrF-like family (SSO1126) FROM SULFOLOBUS SOLFATARICUS P2 AT 2.09 A RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb2QS7/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Saccharolobus solfataricus P2
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-07-30 Released: 2007-08-21 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free: 
  0.203 (Depositor), 0.213 (DCC) 
• R-Value Work: 
  0.176 (Depositor), 0.181 (DCC) 
• R-Value Observed: 
  0.177 (Depositor) 

Literature

Crystal structure of protein of unknown function (NP_342590.1) from Sulfolobus solfataricus at 2.09 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration, light scattering

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration, light scattering

Macromolecule Content 

• Total Structure Weight: 67.01 kDa 
• Atom Count: 4,432 
• Modeled Residue Count: 552 
• Deposited Residue Count: 576 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A, B, C, D	144	Saccharolobus solfataricus P2	Mutation(s): 0  Gene Names: NP_342590.1, SSO1126
UniProt
Find proteins for Q97Z17 (Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)) Explore Q97Z17  Go to UniProtKB:  Q97Z17

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EPE	F [auth A], I [auth D]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C8 H18 N2 O4 S JKMHFZQWWAIEOD-UHFFFAOYSA-N
CL	E [auth A], G [auth D], H [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.09 Å
• R-Value Free:  0.203 (Depositor), 0.213 (DCC) 
• R-Value Work:  0.176 (Depositor), 0.181 (DCC) 
• R-Value Observed: 0.177 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M32QS7

Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 112.36	α = 90
b = 112.36	β = 90
c = 293.284	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-08-21 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2007-08-21
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.5: 2024-10-30
  Changes: Data collection, Refinement description, Structure summary