3NAT | pdb_00003nat

Crystal Structure of Conserved Protein of Unknown Function EF_1977 from Enterococcus faecalis

• PDB DOI: https://doi.org/10.2210/pdb3NAT/pdb

• Classification: Structural Genomics, Unknown function
• Organism(s): Enterococcus faecalis
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2010-06-02 Released: 2010-07-28 
• Deposition Author(s): Kim, Y., Mulligan, R., Moy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.92 Å
• R-Value Free: 
  0.253 (Depositor), 0.246 (DCC) 
• R-Value Work: 
  0.203 (Depositor), 0.196 (DCC) 
• R-Value Observed: 
  0.206 (Depositor) 

Literature

Crystal Structure of Conserved Protein of Unknown Function EF_1977 from Enterococcus faecalis

Kim, Y., Mulligan, R., Moy, S., 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 and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 38.73 kDa 
• Atom Count: 2,519 
• Modeled Residue Count: 296 
• Deposited Residue Count: 328 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A, B	164	Enterococcus faecalis	Mutation(s): 0  Gene Names: EF_1977
UniProt
Find proteins for Q833H6 (Enterococcus faecalis (strain ATCC 700802 / V583)) Explore Q833H6  Go to UniProtKB:  Q833H6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	D [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-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: 2.92 Å
• R-Value Free:  0.253 (Depositor), 0.246 (DCC) 
• R-Value Work:  0.203 (Depositor), 0.196 (DCC) 
• R-Value Observed: 0.206 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.381	α = 90
b = 81.381	β = 90
c = 164.16	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	phasing
SHELXS	phasing
MLPHARE	phasing
RESOLVE	model building
SOLVE	phasing
PHENIX	model building
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
RESOLVE	phasing
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-07-28 
Deposition Author(s): Kim, Y., Mulligan, R., Moy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-07-28
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-11-27
  Changes: Data collection, Database references, Derived calculations, Structure summary