Table 1

Crystal diffraction data and refinement statistics

Data collection
 Wavelength (Å) 1.28237 
 Resolution range (Å) 47-3.28 (3.37-3.28)* 
 Space group P4332 
 Unit cell a=b=c=135.34 Å, α=β=γ=90° 
 Solvent content (%) 88 
 Total unique reflections 12294 
 Redundancy 13.7 (10.7) 
 Completeness (%) 99.99 (99.85) 
 I/ σ(I) 10.87 (0.43) 
 Rsym 0.228 (6.097) 
 CC1/2 (%)§ 99.8 (12.0) 
Phasing and refinement  
 Phasing figure of merit 0.245 
 Rwork / Rfree|| 0.224 / 0.248 
 Monomer / asymmetric unit 
 Nonhydrogen atoms  
  Protein/ N-acetyl glucosamine /Zn/SO4/water 721/14/0.5/25/6 
 RMSD bonds (Å) 0.003 
 RMSD angles (°) 0.46 
 Ramachandran plot  
   (% favored/allowed/outliers) 94.6/5.4/0.0 
 Geometry and clash percentiles 100% / 100% 
 Protein data bank ID 4NT5 
Data collection
 Wavelength (Å) 1.28237 
 Resolution range (Å) 47-3.28 (3.37-3.28)* 
 Space group P4332 
 Unit cell a=b=c=135.34 Å, α=β=γ=90° 
 Solvent content (%) 88 
 Total unique reflections 12294 
 Redundancy 13.7 (10.7) 
 Completeness (%) 99.99 (99.85) 
 I/ σ(I) 10.87 (0.43) 
 Rsym 0.228 (6.097) 
 CC1/2 (%)§ 99.8 (12.0) 
Phasing and refinement  
 Phasing figure of merit 0.245 
 Rwork / Rfree|| 0.224 / 0.248 
 Monomer / asymmetric unit 
 Nonhydrogen atoms  
  Protein/ N-acetyl glucosamine /Zn/SO4/water 721/14/0.5/25/6 
 RMSD bonds (Å) 0.003 
 RMSD angles (°) 0.46 
 Ramachandran plot  
   (% favored/allowed/outliers) 94.6/5.4/0.0 
 Geometry and clash percentiles 100% / 100% 
 Protein data bank ID 4NT5 
*

Statistics for the highest-resolution shell are shown in parentheses.

Friedel pairs are treated as separate reflections.

Rsym = ΣhklΣi|Ii−<I>|/ΣhklΣiIi, where Ii and <I> are the ith and mean measurement of the intensity of reflection hkl.

§

Pearson’s correlation coefficient between average intensities of random half-data sets of the measurements for each unique reflection.38 

||

Rwork = Σhkl||Fobs|−|Fcalc||/|Fobs|, where Fobs and Fcalc are the observed and calculated structure factors, respectively. Rfree is the crossvalidation R factor computed for the 8% (929) test set of unique reflections.

Ramachandran, geometry, and clash values were reported by MOLPROBITY.25 

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