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. 2001 Mar 1;29(5):1208–1215. doi: 10.1093/nar/29.5.1208

Table 1. Data collection and refinement statistics of A-DNA decamers GCGTATACGC in space group P212121.

Compound Salt form
 
Ba-AOE
Cs-MEP high
Cs-TOE medium
Rb-FET high
Rb-TOE medium
K-MEP high
K-TOE medium
Na-TOE medium
Na-FET medium
Z-DNA
Unit cell a, Å 24.99 24.82 24.87 24.82 25.16 24.65 25.13 25.13 24.96 18.32
  b, Å 44.57 44.33 44.68 45.26 44.83 44.61 44.53 44.53 43.57 30.68
  c, Å 45.12 44.82 44.69 43.97 44.82 44.16 45.13 45.13 45.40 42.49
B factora2) DNA 21 8 13 12 16 25 15 15 19 6
  Site 1 10 15 15 25 30 33
  Site 2 35 (Ba) 25 35 30 40 35 32 21 50 (Mg)
  Site 3 60 65 69 70 35 34 25 33
High resolution X-ray datab λ, Å 1.5418 0.8151 0.9500 0.9500 0.9500   0.8151 0.8151 0.8151 0.6630
  D, Å 1.70 1.06 1.05 1.05 1.30   1.30 1.30 1.45 0.60
  N ref 6913 22 132 19 840 22 802 12 230   12 024 12 024 8695 57 623
  % 97.5 97.2 95.1 99.8 99.5   98.9 98.9 99.7 96.0
  Rmerge 0.068 0.057 0.041 0.046 0.044   0.041 0.041 0.058 0.062
  Rwork/free 19.0/21.2 15.0/16.9 16.1/17.8 15.4/17.0 16.5/19.0 20.2/24.6c 16.1/17.9 16.1/18.1 15.9/19 16.0/18.5
Anomalous X-ray datad λ, Å 1.5418 1.6531 1.7970 0.8151 0.8151 1.6513        
  D, Å 2.50 2.0 2.0 1.50 1.50 2.0        
  % 97.5 99.3 98.7 98.8 99.1 98.4        
  Rmerge 0.065 0.082 0.079 0.059 0.044 0.092        
  ΔF/F 0.0469 0.0784 0.0384 0.0620 0.021 0.019        
  PP 1.20 1.68 1.35 2.66        
  FOM 0.33 0.41 0.35 0.51        

aRefinement with ion occupancy equal to 1.

bR factor = Σhkl|F(hkl)oF(hkl)c|/ΣhklF(hkl)o. Rmerge = ΣhklΣi|I(hkl)i – <I(hkl)>|/ΣhklΣi<I(hkl)i>. λ, D, the wavelength and resolution of the X-ray data; N ref, %, the number of unique reflections and completeness.

cR factors based on 2.0 Å anomalous data.

dΔF/Fhkl<|F(+)| – |F(–)|>/<1/2(|F(+)| + |F(–)|>. PP, FOM, phasing power and figure of merit.