3CS3

Crystal structure of sugar-binding transcriptional regulator (LacI family) from Enterococcus faecalis

• PDB DOI: https://doi.org/10.2210/pdb3CS3/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Enterococcus faecalis V583
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-04-08 Released: 2008-04-22 
• Deposition Author(s): Patskovsky, Y., Romero, R., Freeman, J., Iizuka, M., Groshong, C., Smith, D., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.249 
• R-Value Work: 0.204 
• R-Value Observed: 0.206 

Literature

Crystal structure of sugar-binding transcriptional regulator (LacI family) from Enterococcus faecalis.

Patskovsky, Y., Romero, R., Freeman, J., Iizuka, M., Groshong, C., Smith, D., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C.

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 and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 31.8 kDa 
• Atom Count: 2,241 
• Modelled Residue Count: 266 
• Deposited Residue Count: 277 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sugar-binding transcriptional regulator, LacI family	A	277	Enterococcus faecalis V583	Mutation(s): 0  Gene Names: EF_1240
UniProt
Find proteins for Q835X8 (Enterococcus faecalis (strain ATCC 700802 / V583)) Explore Q835X8  Go to UniProtKB:  Q835X8

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A], D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.249 
• R-Value Work: 0.204 
• R-Value Observed: 0.206 
• Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.25	α = 90
b = 93.25	β = 90
c = 158.02	γ = 120

Software Package:

Software Name	Purpose
SHELX	model building
REFMAC	refinement
MAR345	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-04-22 
Deposition Author(s): Patskovsky, Y., Romero, R., Freeman, J., Iizuka, M., Groshong, C., Smith, D., Wasserman, S.R., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2008-04-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.4: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.5: 2024-02-21
  Changes: Data collection, Database references