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. Author manuscript; available in PMC: 2010 Jan 23.
Published in final edited form as: J Mol Biol. 2008 Oct 19;385(3):867–888. doi: 10.1016/j.jmb.2008.10.037

Table 3.

Data collections and refinement statistics

NMAT Complex Apo NaMN bound NaAD bound
Data Collection
 Space Group P61 P61 C2221
 Unit Cell dimensions:
  a, b, c (Å) a=b=97.026, c=85.095 a=b=95.895, c=84.532 142.87, 103.07, 91.73
 Resolution (Å) 2.5 2.6 1.75
 No. reflection recorded 92,086 74,602 277,908
 No. averaged reflections 14,956 13,586 68,050
Rmerge (%) 8.3(45.8) 8.2(65.1) 5.3(35.0)
 I/σI 25.7(2.6) 27.6(2.7) 37.8(2.3)
 % Completenessa 94.7(93.1) 99.8(98.3) 97.6(83.9)
Refinement
 Resolution Range 20.0 – 2.5 20.0 – 2.6 20.0 – 1.75
 No. Reflections in Working Set 14,226 12,955 64,585
 No. Reflections in Test Set 735 658 3,465
Rcryst (%)b 21 20.4 21.9
Rfree (%)c 26.2 28.4 25.7
 Figure of meritd 0.792 0.774 0.804
 Average B-factor (Å2) 44 51.4 32.9
 No. water molecules 125 130 417
 No. glycerol molecules 4 6 0
 No. NaMN molecules 0 1 0
 No. Co2+ molecules 2 2 0
 No. NaAD molecules 0 0 3
 No. sulfate molecules 0 0 4
 RMSD from ideal geometry:
  Bond Lengths (Å) 0.009 0.011 0.010
  Bond Angles (degrees) 1.47 1.5 1.43
 Dihedral angles (degrees) 23.4 23.2 22.6
 Improper angles (degrees) 1.02 1.06 2.7
 Ramachandran Plot
  Most Favored (%) 97.9 98.8 100
  Allowed (%) 1.5 0.6 0
  Disallowed (%) 0.6 0.6 0
a

Completeness for I(I) >1.0, high-resolution shell in parentheses.

b

Rcryst = Σ || Fo |−|Fc ||/Σ| Fo |

c

Rfree was calculated against 5% of the reflections removed at random

d

Figure of merit = (| ΣP (α)eP (α) |), where α is the phase and P(α) is the phase probability distribution