2QYB

Crystal structure of the GAF domain region of putative membrane protein from Geobacter sulfurreducens PCA

• PDB DOI: https://doi.org/10.2210/pdb2QYB/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Geobacter sulfurreducens PCA
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2007-08-14 Released: 2007-08-28 
• Deposition Author(s): Nocek, B., Duggan, E., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.229 
• R-Value Work: 0.205 
• R-Value Observed: 0.207 

Literature

Crystal structure of the GAF domain region of putative membrane protein from Geobacter sulfurreducens PCA.

Nocek, B., Duggan, E., Clancy, E., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 20.88 kDa 
• Atom Count: 1,214 
• Modelled Residue Count: 151 
• Deposited Residue Count: 181 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Membrane protein, putative	A	181	Geobacter sulfurreducens PCA	Mutation(s): 0  Gene Names: GSU1429
UniProt
Find proteins for Q74D90 (Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA)) Explore Q74D90  Go to UniProtKB:  Q74D90

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: 2.40 Å
• R-Value Free: 0.229 
• R-Value Work: 0.205 
• R-Value Observed: 0.207 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.886	α = 90
b = 64.886	β = 90
c = 90.456	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
CCP4	phasing
Coot	model building
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-08-28 
Deposition Author(s): Nocek, B., Duggan, E., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2007-08-28
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance