3OOV | pdb_00003oov

Crystal structure of a methyl-accepting chemotaxis protein, residues 122 to 287

• PDB DOI: https://doi.org/10.2210/pdb3OOV/pdb

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


• Deposited: 2010-08-31 Released: 2010-09-08 
• Deposition Author(s): Joachimiak, A., Duke, N.E.C., Hatzos-Skintges, C., Mulligan, R., Clancy, S., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.305 (Depositor), 0.303 (DCC) 
• R-Value Work: 
  0.237 (Depositor), 0.239 (DCC) 
• R-Value Observed: 
  0.240 (Depositor) 

Literature

Crystal structure of a methyl-accepting chemotaxis protein, residues 122 to 287

Joachimiak, A., Duke, N.E.C., Hatzos-Skintges, C., Mulligan, R., Clancy, S.

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.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 37.64 kDa 
• Atom Count: 2,674 
• Modeled Residue Count: 326 
• Deposited Residue Count: 338 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Methyl-accepting chemotaxis protein, putative	A, B	169	Geobacter sulfurreducens PCA	Mutation(s): 0  Gene Names: GSU1704
UniProt
Find proteins for Q74CG9 (Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA)) Explore Q74CG9  Go to UniProtKB:  Q74CG9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A], D [auth A], E [auth A], F [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.305 (Depositor), 0.303 (DCC) 
• R-Value Work:  0.237 (Depositor), 0.239 (DCC) 
• R-Value Observed: 0.240 (Depositor) 

Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.132	α = 90
b = 60.132	β = 90
c = 363.131	γ = 120

Software Package:

Software Name	Purpose
SBC-Collect	data collection
HKL-3000	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-09-08 
Deposition Author(s): Joachimiak, A., Duke, N.E.C., Hatzos-Skintges, C., Mulligan, R., Clancy, S., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-09-08
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-12-20
  Changes: Database references
• Version 1.3: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary