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. Author manuscript; available in PMC: 2012 Nov 18.
Published in final edited form as: J Mol Biol. 2011 Oct 1;414(1):106–122. doi: 10.1016/j.jmb.2011.09.040

Table I.

Crystallographic data and refinement statistics

Resolution (Å) (highest shell) 33.0–2.61 (2.67–2.61)
Space group P21
Unit-cell parameters (Å, °) a= 80.55 b=86.69 c=114.74 β=89.97
Twinning fraction 0.5
Number of total reflections 48404
Number of unique reflections 46744
Rsyma (%) (highest shell) 12.0 (58.0)
Completeness (%) (highest shell) 96.6 (91.0)
Mean I/σ (highest shell) 13.0 (2.30)
Average redundancy 2.90 (2.60)
Rcryst b(%) (highest shell) 18.2 (35.0)
Rfreec (%) (highest shell) 22.4 (41.2)
RMSD
 Bond lengths (Å) 0.007
 Bond angles ( ° ) 1.17
 Dihedral angles ( ° ) 16.2
Number of atoms per AU
 Protein 10751
 Ligand 104
 Solvent 174
a

Rsym = Σ|I − 〈I〉|/ΣI where I is the observed intensity and 〈I〉 is the average intensity of multiple symmetry-related observation of the reflection.

b

Rcryst = Σ||Fobs| − |Fcalc||/Σ|Fobs| where Fobs and Fcalc are the observed and calculated structure factors, respectively.

c

Rfree = Σ||Fobs| − |Fcalc||/Σ|Fobs| for 5% of the data not used at any stage of the refinement.