Table 2 Details of the three cryoEM structures of MraZ bound to 43 bp or to 55 bp 4-box dsDNA segment

From: Structural basis for transcriptional regulation by the cell division regulator MraZ in Mycoplasma genitalium

 

Fiber 1 43 bp DNA

Fiber 2 55 bp DNA

Octamer-55bp DNA

PDB ID

9R4J

9SZ7

9SX6

EMDB ID

53569

55361

55332

Data collection

 

Voltage

300 kV

200 kV

200 kV

Target defocus

− 0.8,-2.2

− 1.0,-2.3

−1.0,-2.3

Total exposure [e-2]

44.48

37.4

37.4

Micrographs

9195

4002

4002

Particles in the final refinement

928,675

46,906

49,625

Refinement

   

Resolution (Å)

3.36

3.87

3.57

Map sharpening B-factor (Å2)

-141

-141

-141

Root mean square deviations

   

Bond lengths (Å)

0.007

0.004

0.004

Bond angles (°)

0.87

0.74

0.66

Ramachandran plot

   

Favored (%)

89.37

80.50

92.31

Allowed (%)

10.63

17.82

7.59

Outliers (%)

0

1.64

0.09

Molprobity

   

Clash score

17.18

17.02

11.19

Rotamer outliers (%)

8.08

11.55

4.17

Overall score

3.01

3.27

2.51