2ATR

Acetyltransferase, GNAT family protein SP0256 from Streptococcus pneumoniae TIGR4

• PDB DOI: https://doi.org/10.2210/pdb2ATR/pdb

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


• Deposited: 2005-08-25 Released: 2005-10-11 
• Deposition Author(s): Binkowski, T.A., Hatzos, C., Abdullah, J., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.01 Å
• R-Value Free: 0.276 
• R-Value Work: 0.218 
• R-Value Observed: 0.221 

Literature

Acetyltransferase, GNAT family protein SP0256 from Streptococcus pneumoniae

Binkowski, T.A., Hatzos, C., Abdullah, J., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 15.88 kDa 
• Atom Count: 1,100 
• Modelled Residue Count: 132 
• Deposited Residue Count: 138 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
acetyltransferase, GNAT family	A	138	Streptococcus pneumoniae TIGR4	Mutation(s): 5  Gene Names: SP0256
UniProt
Find proteins for A0A0H2UND0 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore A0A0H2UND0  Go to UniProtKB:  A0A0H2UND0

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: 2.01 Å
• R-Value Free: 0.276 
• R-Value Work: 0.218 
• R-Value Observed: 0.221 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.389	α = 90
b = 71.389	β = 90
c = 59.179	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-10-11 
Deposition Author(s): Binkowski, T.A., Hatzos, C., Abdullah, J., Collart, F., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-10-11
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary