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Table 2 Refinement and Quality of Refined Models

From: Mechanisms underlying dioxygen reduction in laccases. Structural and modelling studies focusing on proton transfer

Protein

HoloCotA

apoCu(I)

No. of protein atoms

4131

4119

No. of solvent atoms

527

518

No. of hetero atoms

4

4

Final R-factor

0.189

0.177

Final free R-factor

0.206

0.215

Mean B values (Å2)

  

   : protein

22.6

24.3

   : solvent

33.5

32.9

   : overall

22.3

25.3

Estimated overall coordinate uncertainty (Å) ‡

0.092

0.089

Distance deviations †

   Bond distances (Å)

0.006

0.009

   Bond angles (°)

0.993

1.145

   Planar groups (Å)

0.004

0.004

   Chiral volume deviation (Å3)

0.067

0.077

Ramachandran analysis %

Favourable

97.2

97.8

Allowed

2.8

2.2

Disallowed

0.0

0.0

  1. ‡based on maximum likelihood. † rms deviations from standard values
  2. The Ramachandran analysis [70] was determined by Rampage [71]