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. 2010 Nov 26;29(24):4172–4184. doi: 10.1038/emboj.2010.295

Table 1. Crystallographic data.

Data set Native Ir hexammine Os hexammine [Ir3N(SO4),(H2O)3] KAuCN PIPa K5CoW12O40
Data collection
 Wavelength (Å) 0.999 1.0 1.1364 1.10475 0.976 1.0703 1.2125
 Temperature (K) 100 100 100 100 100 100 100
 Space group C2 C2 C2 C2 C2 C2 C2
 Unit cell parameters              
  a, b, c (Å) 358.4, 88.2, 150.9 357.5, 86.8, 150.6 360.9, 86.6, 151.0 358.8, 88.1, 150.9 358.0, 88.9, 151.9 358.9, 88.1, 150.9 357.4, 87.6, 150.8
  β (deg) 111.9 112.6 113.2 112.0 111.8 111.9 112.6
 Resolution (Å)b 90–4.4 (4.6–4.4) 50–5.5 (5.7–5.5) 100–7.9 (8.1–7.9) 100–5.5 (5.7–5.5) 50–6.3 (6.5–6.3) 50–7.2 (7.5–7.2) 100–7.2 (7.4–7.2)
 Reflections              
  Unique 28 079 14 396 4984 14 590 9838 6610 6550
  Completeness (%) 99.3 (99.3) 99.7 (100) 99.4 (100) 99.6 (97.3) 99.1 (100) 99.7 (99.2) 99.5 (95.2)
  Redundancy 3.3 (3.5) 3.6 (3.7) 6.1 (6.3) 3.7 (3.7) 3.7 (3.8) 7.3 (7.2) 6.8 (4.8)
I/σ(I) 12.0 (2.0) 17.7 (1.4) 13.6 (2.8) 18.3 (1.5) 13.1 (1.6) 23.5 (2.7) 12.9 (0.7)
Rsym(I)c 0.054 (0.73) 0.041 (0.78) 0.066 (0.79) 0.082 (0.79) 0.080 (0.72) 0.033 (0.73) 0.051 (0.92)
               
Phasing
 Resolution (Å) 90–4.4 35–5.5 50–7.9 50–5.5 35–6.3 47–7.2 35.2–7.2
 Sites   6 2 2 4 1 1
 Phasing power (acentric)d              
  Isomorphous   0.65 0.47 0.28 0.45 0.57 0.61
  Anomalouse   0.20 0.39 0.10 0.17 0.20 0.21
RCullis (acentric)f              
  Isomorphous   0.63 0.78 0.60 0.74 0.72 0.71
  Anomalous   0.99 0.98 0.99 0.99 0.99 0.98
 FOMg 0.56            
               
Refinement
 Resolution (Å) 90–4.4            
 Reflections              
  Number 28 077            
  Completeness (%) 99.3            
  Test set (%) 5.0            
Rhwork 0.299            
Rhfree 0.348            
 Contents of A.U.              
  Protein residues 1716            
  Nucleic acid residues 346            
 Ramachandran ploti              
  Favoured 85.8            
  Allowed 11.6            
  Outliers 2.6            
 r.m.s.d. Geometry              
  Bond lengths (Å) 0.004            
  Bond angles (deg) 1.201            
Abbreviations: A.U., asymmetric unit; r.m.s.d., root-mean-square deviation.
aPIP—[Pt2I2(H2NCH2CH2NH2)2].
bData for the highest resolution shell in parentheses.
cRsym(I)=ΣhklΣIIi(hkl)−〈I(hkl)〉∣/ΣhklΣiIi(hkl)∣; for n independent reflections and i observations of a given reflection, where 〈I(hkl)〉=average intensity of the i observations.
dPhasing power=∣FH,calc∣/Σhkl∣∣FPH±FP∣−∣FPH,calc∣∣.
eAlthough the anomalous signals were weak, they were included in phasing and visibly improved the electron density.
fRCullishkl∣∣FPH±FP∣−∣FPH,calc∣∣/Σhkl∣FPH−FP∣.
gFOM=mean figure of merit=〈cos(αbest−αcalc)〉, where α=phase angle.
hRhkl∣∣Fobs∣−∣Fcalc∣∣/ΣhklFobs∣, where Rwork=hkl∉T; Rfree=hkl∈T; Rall=all reflections; T=test set.
iCalculated with MolProbity (http://molprobity.biochem.duke.edu/).