3S03

The crystal structure of the periplasmic domain of Helicobacter pylori MotB (residues 97-256, P43).

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ESRF BEAMLINE ID23-2
Synchrotron site	ESRF
Beamline	ID23-2
Temperature [K]	100
Detector technology	CCD
Collection date	2009-04-08
Detector	MARMOSAIC 225 mm CCD
Wavelength(s)	0.87
Spacegroup name	P 43
Unit cell lengths	71.669, 71.669, 126.236
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	71.670 - 2.500
R-factor	0.2281
Rwork	0.225
R-free	0.28430
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.009
RMSD bond angle	1.175
Data scaling software	SCALA (3.3.1)
Phasing software	PHASER
Refinement software	REFMAC (5.5.0072)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	71.670	71.611	2.640
High resolution limit [Å]	2.500	7.910	2.500
Rmerge	0.109	0.060	0.319
Total number of observations		1972	9556
Number of reflections	18607
<I/σ(I)>	7.6	9.9	2.4
Completeness [%]	85.0	74.7	87.7
Redundancy	3.5	3.8	3.4

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	5	293	100 mM citric acid pH 5.0, 0.8 M Ammonium sulphate, VAPOR DIFFUSION, SITTING DROP, temperature 293K