Table 1

Crystal parameters and statistics of data collection and refinement

Crystal information

Space group

I222

Unit cell parameters (Å)

a = 168.5, b = 406.0, c = 693.0

Diffraction data statistics

X-ray source/Energy

ID14-4, ESRF, 13.7 keV

ID19, SBC/APS, 12.0 keV

Crystal oscillation

0.1°

Resolution (Å)

30-3.42 (3.54-3.42)

Completeness (%)

90.2 (81.1)

Rsym (%)

16.4 (42.8)

I/σ(I)

11.5 (2.2)

No. of reflections measured

2 370 831

No. of unique reflections

282 979

Refinement statistics

R factor (%)

27.8

Rfree (%)

34.8

Bond distances rms (Å)

0.007

Bond angles rms

1.13°

Harms et al. BMC Biology 2004 2:4   doi:10.1186/1741-7007-2-4