2F4I

Crystal structure of an ob-fold protein (tm0957) from thermotoga maritima msb8 at 1.90 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2F4I/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Thermotoga maritima MSB8
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-11-23 Released: 2006-02-07 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.248 
• R-Value Work: 0.190 
• R-Value Observed: 0.193 

Literature

Crystal structure of hypothetical protein (tm0957) from THERMOTOGA MARITIMA at 2.25 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration, light scattering

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly Evidence: gel filtration, light scattering

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration, light scattering

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration, light scattering

Biological Assembly 5  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 5 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 92.77 kDa 
• Atom Count: 6,251 
• Modelled Residue Count: 707 
• Deposited Residue Count: 788 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein TM0957	A, B, C, D	197	Thermotoga maritima MSB8	Mutation(s): 19  Gene Names: tm0957
UniProt
Find proteins for Q9X052 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X052  Go to UniProtKB:  Q9X052

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	E [auth A], F [auth A], G [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	H [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MLY	A, B, C, D	L-PEPTIDE LINKING	C8 H18 N2 O2		LYS
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.248 
• R-Value Work: 0.190 
• R-Value Observed: 0.193 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.18430/M32F4I

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.677	α = 90
b = 78.075	β = 93.4
c = 82.487	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SHELX	phasing
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-02-07 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2006-02-07
  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: 2017-10-25
  Changes: Author supporting evidence
• Version 1.4: 2023-01-25
  Changes: Database references, Derived calculations