2QEA

CRYSTAL STRUCTURE OF A PUTATIVE GENERAL STRESS PROTEIN 26 (JANN_0955) FROM JANNASCHIA SP. CCS1 AT 2.46 A RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb2QEA/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Jannaschia sp. CCS1
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2007-06-25 Released: 2007-07-10 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.46 Å
• R-Value Free: 0.275 
• R-Value Work: 0.231 
• R-Value Observed: 0.233 

Literature

Crystal structure of putative general stress protein 26 (YP_508897.1) from Jannaschia sp. CCS1 at 2.46 A resolution

Joint Center for Structural Genomics (JCSG)

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 Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 3  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 52.65 kDa 
• Atom Count: 3,708 
• Modelled Residue Count: 476 
• Deposited Residue Count: 480 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative general stress protein 26	A, B, C	160	Jannaschia sp. CCS1	Mutation(s): 4  Gene Names: YP_508897.1, Jann_0955
UniProt
Find proteins for Q28TU0 (Jannaschia sp. (strain CCS1)) Explore Q28TU0  Go to UniProtKB:  Q28TU0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	D [auth A], E [auth A], F [auth A], G [auth B], H [auth C], I [auth C], J [auth C]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.46 Å
• R-Value Free: 0.275 
• R-Value Work: 0.231 
• R-Value Observed: 0.233 
• Space Group: P 6₁ 2 2
• Diffraction Data: https://doi.org/10.18430/M32QEA

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.673	α = 90
b = 73.673	β = 90
c = 367.524	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
SHELXD	phasing
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-07-10 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2007-07-10
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2017-10-25
  Changes: Author supporting evidence
• Version 1.5: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.6: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.7: 2024-10-30
  Changes: Data collection, Refinement description, Structure summary