2FYW

Crystal Structure of a Conserved Protein of Unknown Function from Streptococcus pneumoniae

• PDB DOI: https://doi.org/10.2210/pdb2FYW/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Streptococcus pneumoniae TIGR4
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2006-02-08 Released: 2006-03-21 
• Deposition Author(s): Nocek, B., Hatzos, C., Abdullah, J., 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: 0.259 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 

Literature

Crystal structure of a conserved hypothetical protein from Streptococcus pneumoniae TIGR4

Nocek, B., Hatzos, C., Abdullah, J., Jaochimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors and generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 90.96 kDa 
• Atom Count: 6,575 
• Modelled Residue Count: 800 
• Deposited Residue Count: 801 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
conserved hypothetical protein	A, B, C	267	Streptococcus pneumoniae TIGR4	Mutation(s): 6
UniProt
Find proteins for Q97PK0 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore Q97PK0  Go to UniProtKB:  Q97PK0

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C	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: 0.259 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 96.481	α = 90
b = 167.016	β = 90
c = 122.011	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-03-21 
Deposition Author(s): Nocek, B., Hatzos, C., Abdullah, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-03-21
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary