2FG1

Structure of a Protein of Unknown Function from Bacteroides thetaiotaomicron.

• PDB DOI: https://doi.org/10.2210/pdb2FG1/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Bacteroides thetaiotaomicron VPI-5482
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2005-12-20 Released: 2006-03-07 
• Deposition Author(s): Cuff, M.E., Bigelow, L., Abdullah, J., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free: 
  0.181 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.168 (Depositor), 0.167 (DCC) 
• R-Value Observed: 
  0.169 (Depositor) 

Literature

Structure of a hypothetical protein from Bacteroides thetaiotaomicron.

Cuff, M.E., Bigelow, L., Abdullah, J., Collart, F., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 17.92 kDa 
• Atom Count: 1,704 
• Modelled Residue Count: 157 
• Deposited Residue Count: 158 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
conserved hypothetical protein BT1257	A	158	Bacteroides thetaiotaomicron VPI-5482	Mutation(s): 5
UniProt
Find proteins for Q8A8B0 (Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 / VPI-5482 / E50)) Explore Q8A8B0  Go to UniProtKB:  Q8A8B0

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.25 Å
• R-Value Free:  0.181 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.168 (Depositor), 0.167 (DCC) 
• R-Value Observed: 0.169 (Depositor) 

Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.172	α = 90
b = 62.172	β = 90
c = 36.505	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data scaling
HKL-3000	phasing
SHELX	phasing
CCP4	phasing
MLPHARE	phasing
DM	phasing
RESOLVE	phasing
O	model building
ARP/wARP	model building
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-03-07 
Deposition Author(s): Cuff, M.E., Bigelow, L., Abdullah, J., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-03-07
  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: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary