2NRK

Crystal structure of conserved protein GrpB from Enterococcus faecalis

• PDB DOI: https://doi.org/10.2210/pdb2NRK/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Enterococcus faecalis V583
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2006-11-02 Released: 2006-12-05 
• Deposition Author(s): Cuff, M.E., Mulligan, R., Bargassa, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 0.213 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 

Literature

The structure of conserved protein GrpB from Enterococcus faecalis

Cuff, M.E., Mulligan, R., Bargassa, M., Joachimiak, A.

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.

Macromolecule Content

• Total Structure Weight: 20.51 kDa 
• Atom Count: 1,719 
• Modelled Residue Count: 165 
• Deposited Residue Count: 173 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein GrpB	A	173	Enterococcus faecalis V583	Mutation(s): 3  Gene Names: UPF0157
UniProt
Find proteins for Q837C3 (Enterococcus faecalis (strain ATCC 700802 / V583)) Explore Q837C3  Go to UniProtKB:  Q837C3

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: 1.65 Å
• R-Value Free: 0.213 
• R-Value Work: 0.178 
• R-Value Observed: 0.179 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.665	α = 90
b = 82.149	β = 90
c = 30.519	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-12-05 
Deposition Author(s): Cuff, M.E., Mulligan, R., Bargassa, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-12-05
  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: 2023-12-27
  Changes: Data collection, Database references, Derived calculations