Table 1 Summary of crystallographic analysis.

Data set

L24M selenium data

Native PedB

Space group

P 6₂

P 6₂

Unit-cell parameters (Å)

a = b = 62.6 Å, c = 39.8 Å

a = b = 62.2 Å, c = 39.9 Å

Wavelength (Å)

0.97900

0.97911

0.97137

0.91841

Resolution (Å)

50-1.9

50-1.9

50-1.9

30-1.6

Completeness (%)^a

99.4 (98.0)

99.4 (97.5)

99.2 (97.7)

98.4 (97.1)

R_sym (%)^a,b

9.9 (32.0)

9.9 (34.4)

10.2 (52.4)

6.0 (19.4)

Average I/σ

20.2 (3.0)

19.1 (2.7)

17.5 (4.0)

79.8 (15.8)

Refinement statistics

Resolution range (Å)

30-1.6

Number of reflections

7,087

7,090

7,072

11,539

Total number of atoms

   Total

868

   Water

186

Completeness of data (%)

98.4

R^c (R_free) (%)

19.2 (22.5)

r.m.s. deviations^d

   Bonds (Å)

0.004

   Angles (°)

0.945