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. 2001 Apr 3;98(8):4337–4342. doi: 10.1073/pnas.071514398

Table 2.

Refinement statistics

Refinement statistics
 Resolution, Å 50.0–2.2
R, %/Rfree, %* 19.0/24.6
 No. of atoms
  protein 3508
  ligand 10
  solvent 38
Model statistics
 rms bond length, Å 0.006
 rms bond angles, ° 1.120
 Ramachandran angles most favored, % 92.1
 Ramachandran angles additional allowed, % 7.3

Rfree is the same as R, but for a 5% subset of all reflections that were never used in crystallographic refinement. 

*

R = ∑∥Fobs| − |Fcalc∥/∑|Fobs|.